1650120920352 has 144 divisors (see below), whose sum is σ = 4758773973408. Its totient is φ = 542302709760.

The previous prime is 1650120920303. The next prime is 1650120920401. The reversal of 1650120920352 is 2530290210561.

It is a happy number.

1650120920352 is a `hidden beast` number, since 16 + 501 + 2 + 0 + 92 + 0 + 3 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (1650120920303) and next prime (1650120920401).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11666568 + ... + 11807160.

It is an arithmetic number, because the mean of its divisors is an integer number (33047041482).

Almost surely, 2^{1650120920352} is an apocalyptic number.

1650120920352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1650120920352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379386986704).

1650120920352 is an abundant number, since it is smaller than the sum of its proper divisors (3108653053056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1650120920352 is a wasteful number, since it uses less digits than its factorization.

1650120920352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141183 (or 141172 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 1650120920352 in words is "one trillion, six hundred fifty billion, one hundred twenty million, nine hundred twenty thousand, three hundred fifty-two".