160551674721 has 25 divisors (see below), whose sum is σ = 240978530705. Its totient is φ = 106527177540.

The previous prime is 160551674653. The next prime is 160551674747. The reversal of 160551674721 is 127476155061.

The square root of 160551674721 is 400689.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

160551674721 is a `hidden beast` number, since 1 + 6 + 0 + 551 + 6 + 74 + 7 + 21 = 666.

It is not a de Polignac number, because 160551674721 - 2³⁷ = 23112721249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160551684721) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 760908306 + ... + 760908516.

Almost surely, 2^160551674721 is an apocalyptic number.

160551674721 is the 400689-th square number.

160551674721 is the 200345-th centered octagonal number.

It is an amenable number.

160551674721 is a deficient number, since it is larger than the sum of its proper divisors (80426855984).

160551674721 is an frugal number, since it uses more digits than its factorization.

160551674721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 160551674721 in words is "one hundred sixty billion, five hundred fifty-one million, six hundred seventy-four thousand, seven hundred twenty-one".