161510055006 has 16 divisors (see below), whose sum is σ = 323026859664. Its totient is φ = 53835560064.

The previous prime is 161510055001. The next prime is 161510055103. The reversal of 161510055006 is 600550015161.

It is a super-2 number, since 2×161510055006² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161510055001) 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, 62076 + ... + 571728.

It is an arithmetic number, because the mean of its divisors is an integer number (20189178729).

Almost surely, 2^161510055006 is an apocalyptic number.

161510055006 is an abundant number, since it is smaller than the sum of its proper divisors (161516804658).

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

161510055006 is a wasteful number, since it uses less digits than its factorization.

161510055006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562475.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 161510055006 in words is "one hundred sixty-one billion, five hundred ten million, fifty-five thousand, six".