181076006864 has 20 divisors (see below), whose sum is σ = 350984318304. Its totient is φ = 90499408608.

The previous prime is 181076006857. The next prime is 181076006879. The reversal of 181076006864 is 468600670181.

It is a super-2 number, since 2×181076006864² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2373452 + ... + 2448555.

Almost surely, 2^181076006864 is an apocalyptic number.

It is an amenable number.

181076006864 is a deficient number, since it is larger than the sum of its proper divisors (169908311440).

181076006864 is a wasteful number, since it uses less digits than its factorization.

181076006864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824362 (or 4824356 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 181076006864 in words is "one hundred eighty-one billion, seventy-six million, six thousand, eight hundred sixty-four".