1650670338432 has 192 divisors, whose sum is σ = 4731389429760. Its totient is φ = 509321303040.

The previous prime is 1650670338397. The next prime is 1650670338433. The reversal of 1650670338432 is 2348330760561.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-4 number, since 4×1650670338432⁴ (a number of 50 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650670338433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6166153 + ... + 6428279.

It is an arithmetic number, because the mean of its divisors is an integer number (24642653280).

Almost surely, 2^{1650670338432} is an apocalyptic number.

1650670338432 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 1650670338432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365694714880).

1650670338432 is an abundant number, since it is smaller than the sum of its proper divisors (3080719091328).

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

1650670338432 is a wasteful number, since it uses less digits than its factorization.

1650670338432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262221 (or 262186 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 1650670338432 in words is "one trillion, six hundred fifty billion, six hundred seventy million, three hundred thirty-eight thousand, four hundred thirty-two".