2155536162894 has 16 divisors (see below), whose sum is σ = 4334890407120. Its totient is φ = 714542374080.

The previous prime is 2155536162883. The next prime is 2155536162917. The reversal of 2155536162894 is 4982616355512.

It is a super-2 number, since 2×2155536162894² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 992418879 + ... + 992421050.

It is an arithmetic number, because the mean of its divisors is an integer number (270930650445).

Almost surely, 2^{2155536162894} is an apocalyptic number.

2155536162894 is an abundant number, since it is smaller than the sum of its proper divisors (2179354244226).

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

2155536162894 is a wasteful number, since it uses less digits than its factorization.

2155536162894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984840115.

The product of its digits is 15552000, while the sum is 57.

The spelling of 2155536162894 in words is "two trillion, one hundred fifty-five billion, five hundred thirty-six million, one hundred sixty-two thousand, eight hundred ninety-four".