1656794947032 has 384 divisors, whose sum is σ = 4987564243200. Its totient is φ = 509387673600.

The previous prime is 1656794946979. The next prime is 1656794947033. The reversal of 1656794947032 is 2307494976561.

1656794947032 is a `hidden beast` number, since 1 + 6 + 5 + 6 + 79 + 494 + 70 + 3 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656794947033) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 678734932 + ... + 678737372.

It is an arithmetic number, because the mean of its divisors is an integer number (12988448550).

Almost surely, 2^{1656794947032} is an apocalyptic number.

1656794947032 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 1656794947032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2493782121600).

1656794947032 is an abundant number, since it is smaller than the sum of its proper divisors (3330769296168).

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

1656794947032 is a wasteful number, since it uses less digits than its factorization.

1656794947032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 63.

The spelling of 1656794947032 in words is "one trillion, six hundred fifty-six billion, seven hundred ninety-four million, nine hundred forty-seven thousand, thirty-two".