161576767260 has 72 divisors (see below), whose sum is σ = 490550926320. Its totient is φ = 43048919808.

The previous prime is 161576767249. The next prime is 161576767327. The reversal of 161576767260 is 62767675161.

161576767260 is a `hidden beast` number, since 1 + 6 + 1 + 576 + 7 + 6 + 7 + 2 + 60 = 666.

It is a super-2 number, since 2×161576767260² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161576767197 and 161576767206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194322 + ... + 600761.

It is an arithmetic number, because the mean of its divisors is an integer number (6813207310).

Almost surely, 2^161576767260 is an apocalyptic number.

161576767260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161576767260 is an abundant number, since it is smaller than the sum of its proper divisors (328974159060).

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

161576767260 is a wasteful number, since it uses less digits than its factorization.

161576767260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796227 (or 796222 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 161576767260 in words is "one hundred sixty-one billion, five hundred seventy-six million, seven hundred sixty-seven thousand, two hundred sixty".