61620842092 has 6 divisors (see below), whose sum is σ = 107836473668. Its totient is φ = 30810421044.

The previous prime is 61620842083. The next prime is 61620842111. The reversal of 61620842092 is 29024802616.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7702605258 + ... + 7702605265.

Almost surely, 2^61620842092 is an apocalyptic number.

It is an amenable number.

61620842092 is a deficient number, since it is larger than the sum of its proper divisors (46215631576).

61620842092 is a wasteful number, since it uses less digits than its factorization.

61620842092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15405210527 (or 15405210525 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 61620842092 in words is "sixty-one billion, six hundred twenty million, eight hundred forty-two thousand, ninety-two".