61894556202 has 32 divisors (see below), whose sum is σ = 126824491584. Its totient is φ = 20125750400.

The previous prime is 61894556183. The next prime is 61894556281. The reversal of 61894556202 is 20265549816.

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, 3404677 + ... + 3422807.

It is an arithmetic number, because the mean of its divisors is an integer number (3963265362).

Almost surely, 2^61894556202 is an apocalyptic number.

61894556202 is an abundant number, since it is smaller than the sum of its proper divisors (64929935382).

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

61894556202 is a wasteful number, since it uses less digits than its factorization.

61894556202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32054.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 61894556202 in words is "sixty-one billion, eight hundred ninety-four million, five hundred fifty-six thousand, two hundred two".