161053171464616 has 32 divisors (see below), whose sum is σ = 317870227584000. Its totient is φ = 76287834135936.

The previous prime is 161053171464611. The next prime is 161053171464617. The reversal of 161053171464616 is 616464171350161.

It is a super-2 number, since 2×161053171464616² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161053171464611) 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, 19760025 + ... + 26693911.

It is an arithmetic number, because the mean of its divisors is an integer number (9933444612000).

Almost surely, 2^{161053171464616} is an apocalyptic number.

It is an amenable number.

161053171464616 is a deficient number, since it is larger than the sum of its proper divisors (156817056119384).

161053171464616 is a wasteful number, since it uses less digits than its factorization.

161053171464616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086721 (or 7086717 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 161053171464616 in words is "one hundred sixty-one trillion, fifty-three billion, one hundred seventy-one million, four hundred sixty-four thousand, six hundred sixteen".