215163461010 has 64 divisors (see below), whose sum is σ = 534303475200. Its totient is φ = 55387567872.

The previous prime is 215163460999. The next prime is 215163461021. The reversal of 215163461010 is 10164361512.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (215163460999) and next prime (215163461021).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5030796 + ... + 5073384.

It is an arithmetic number, because the mean of its divisors is an integer number (8348491800).

Almost surely, 2^215163461010 is an apocalyptic number.

215163461010 is an abundant number, since it is smaller than the sum of its proper divisors (319140014190).

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

215163461010 is a wasteful number, since it uses less digits than its factorization.

215163461010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48435.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 215163461010 in words is "two hundred fifteen billion, one hundred sixty-three million, four hundred sixty-one thousand, ten".