61631046366 has 8 divisors (see below), whose sum is σ = 123262092744. Its totient is φ = 20543682120.

The previous prime is 61631046349. The next prime is 61631046371. The reversal of 61631046366 is 66364013616.

It is a sphenic number, since it is the product of 3 distinct primes.

61631046366 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5135920525 + ... + 5135920536.

It is an arithmetic number, because the mean of its divisors is an integer number (15407761593).

Almost surely, 2^61631046366 is an apocalyptic number.

61631046366 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61631046366 is a wasteful number, since it uses less digits than its factorization.

61631046366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10271841066.

The product of its (nonzero) digits is 279936, while the sum is 42.

The spelling of 61631046366 in words is "sixty-one billion, six hundred thirty-one million, forty-six thousand, three hundred sixty-six".