1650120920351 has 8 divisors (see below), whose sum is σ = 1687936604160. Its totient is φ = 1612693090008.

The previous prime is 1650120920303. The next prime is 1650120920401. The reversal of 1650120920351 is 1530290210561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1650120920351 - 2²² = 1650116726047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650120925351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96954761 + ... + 96971778.

It is an arithmetic number, because the mean of its divisors is an integer number (210992075520).

Almost surely, 2^{1650120920351} is an apocalyptic number.

1650120920351 is a deficient number, since it is larger than the sum of its proper divisors (37815683809).

1650120920351 is a wasteful number, since it uses less digits than its factorization.

1650120920351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193926733.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 1650120920351 in words is "one trillion, six hundred fifty billion, one hundred twenty million, nine hundred twenty thousand, three hundred fifty-one".