61670456430 has 32 divisors (see below), whose sum is σ = 161464468608. Its totient is φ = 14950413600.

The previous prime is 61670456413. The next prime is 61670456459. The reversal of 61670456430 is 3465407616.

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, 93439756 + ... + 93440415.

It is an arithmetic number, because the mean of its divisors is an integer number (5045764644).

Almost surely, 2^61670456430 is an apocalyptic number.

61670456430 is an abundant number, since it is smaller than the sum of its proper divisors (99794012178).

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

61670456430 is a wasteful number, since it uses less digits than its factorization.

61670456430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186880192.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 61670456430 in words is "sixty-one billion, six hundred seventy million, four hundred fifty-six thousand, four hundred thirty".