1656160955749 has 8 divisors (see below), whose sum is σ = 1686390917120. Its totient is φ = 1626162642000.

The previous prime is 1656160955741. The next prime is 1656160955753. The reversal of 1656160955749 is 9475590616561.

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 1656160955749 - 2³ = 1656160955741 is a prime.

It is a super-2 number, since 2×1656160955749² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656160955741) 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, 57897477 + ... + 57926074.

It is an arithmetic number, because the mean of its divisors is an integer number (210798864640).

Almost surely, 2^{1656160955749} is an apocalyptic number.

It is an amenable number.

1656160955749 is a deficient number, since it is larger than the sum of its proper divisors (30229961371).

1656160955749 is a wasteful number, since it uses less digits than its factorization.

1656160955749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115823811.

The product of its (nonzero) digits is 61236000, while the sum is 64.

The spelling of 1656160955749 in words is "one trillion, six hundred fifty-six billion, one hundred sixty million, nine hundred fifty-five thousand, seven hundred forty-nine".