215030190386 has 64 divisors (see below), whose sum is σ = 365872674816. Its totient is φ = 93936024000.

The previous prime is 215030190377. The next prime is 215030190413. The reversal of 215030190386 is 683091030512.

It is a happy number.

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, 15567095 + ... + 15580901.

It is an arithmetic number, because the mean of its divisors is an integer number (5716760544).

Almost surely, 2^215030190386 is an apocalyptic number.

215030190386 is a deficient number, since it is larger than the sum of its proper divisors (150842484430).

215030190386 is a wasteful number, since it uses less digits than its factorization.

215030190386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 215030190386 in words is "two hundred fifteen billion, thirty million, one hundred ninety thousand, three hundred eighty-six".