2155162267608 has 64 divisors (see below), whose sum is σ = 6481691040000. Its totient is φ = 583352191872.

The previous prime is 2155162267567. The next prime is 2155162267673. The reversal of 2155162267608 is 8067622615512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337584883 + ... + 337591266.

It is an arithmetic number, because the mean of its divisors is an integer number (101276422500).

Almost surely, 2^{2155162267608} is an apocalyptic number.

2155162267608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2155162267608 is an abundant number, since it is smaller than the sum of its proper divisors (4326528772392).

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

2155162267608 is a wasteful number, since it uses less digits than its factorization.

2155162267608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675176184 (or 675176180 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 2155162267608 in words is "two trillion, one hundred fifty-five billion, one hundred sixty-two million, two hundred sixty-seven thousand, six hundred eight".