161053677 has 20 divisors (see below), whose sum is σ = 241353376. Its totient is φ = 107026920.

The previous prime is 161053663. The next prime is 161053679. The reversal of 161053677 is 776350161.

161053677 is a `hidden beast` number, since 1 + 610 + 5 + 36 + 7 + 7 = 666.

It is not a de Polignac number, because 161053677 - 2⁴ = 161053661 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 (161053679) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23808 + ... + 29814.

Almost surely, 2^161053677 is an apocalyptic number.

It is an amenable number.

161053677 is a deficient number, since it is larger than the sum of its proper divisors (80299699).

161053677 is an equidigital number, since it uses as much as digits as its factorization.

161053677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6350 (or 6341 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 161053677 is about 12690.6925342946. The cubic root of 161053677 is about 544.0726332606.

The spelling of 161053677 in words is "one hundred sixty-one million, fifty-three thousand, six hundred seventy-seven".