155623647203064 has 96 divisors (see below), whose sum is σ = 440821679669280. Its totient is φ = 49504539820032.

The previous prime is 155623647203051. The next prime is 155623647203201. The reversal of 155623647203064 is 460302746326551.

155623647203064 is a `hidden beast` number, since 1 + 5 + 5 + 623 + 6 + 4 + 7 + 2 + 0 + 3 + 0 + 6 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 155623647203064.

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, 107799849 + ... + 109233944.

It is an arithmetic number, because the mean of its divisors is an integer number (4591892496555).

Almost surely, 2^{155623647203064} is an apocalyptic number.

It is an amenable number.

155623647203064 is an abundant number, since it is smaller than the sum of its proper divisors (285198032466216).

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

155623647203064 is a wasteful number, since it uses less digits than its factorization.

155623647203064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217034261 (or 217034254 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 54.

The spelling of 155623647203064 in words is "one hundred fifty-five trillion, six hundred twenty-three billion, six hundred forty-seven million, two hundred three thousand, sixty-four".