45661198556 has 6 divisors (see below), whose sum is σ = 79907097480. Its totient is φ = 22830599276.

The previous prime is 45661198519. The next prime is 45661198573. The reversal of 45661198556 is 65589116654.

45661198556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707649816 + ... + 5707649823.

It is an arithmetic number, because the mean of its divisors is an integer number (13317849580).

Almost surely, 2^45661198556 is an apocalyptic number.

It is an amenable number.

45661198556 is a deficient number, since it is larger than the sum of its proper divisors (34245898924).

45661198556 is a wasteful number, since it uses less digits than its factorization.

45661198556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11415299643 (or 11415299641 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 56.

The spelling of 45661198556 in words is "forty-five billion, six hundred sixty-one million, one hundred ninety-eight thousand, five hundred fifty-six".