161600064 has 56 divisors (see below), whose sum is σ = 442325760. Its totient is φ = 52007424.

The previous prime is 161600029. The next prime is 161600069. The reversal of 161600064 is 460006161.

It is a super-2 number, since 2×161600064² = 52229161369608192, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (161600069) 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, 8944 + ... + 20079.

Almost surely, 2^161600064 is an apocalyptic number.

It is an amenable number.

161600064 is an abundant number, since it is smaller than the sum of its proper divisors (280725696).

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

161600064 is a wasteful number, since it uses less digits than its factorization.

161600064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29067 (or 29057 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 161600064 is about 12712.2013829234. The cubic root of 161600064 is about 544.6872082197.

The spelling of 161600064 in words is "one hundred sixty-one million, six hundred thousand, sixty-four".