213806166441030 has 24 divisors (see below), whose sum is σ = 555896032746912. Its totient is φ = 57014977717584.

The previous prime is 213806166441019. The next prime is 213806166441121. The reversal of 213806166441030 is 30144661608312.

213806166441030 is a `hidden beast` number, since 2 + 1 + 380 + 6 + 166 + 4 + 4 + 103 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1187812035694 + ... + 1187812035873.

It is an arithmetic number, because the mean of its divisors is an integer number (23162334697788).

Almost surely, 2^{213806166441030} is an apocalyptic number.

213806166441030 is an abundant number, since it is smaller than the sum of its proper divisors (342089866305882).

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

213806166441030 is a wasteful number, since it uses less digits than its factorization.

213806166441030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375624071580 (or 2375624071577 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 213806166441030 in words is "two hundred thirteen trillion, eight hundred six billion, one hundred sixty-six million, four hundred forty-one thousand, thirty".