61622916996 has 48 divisors (see below), whose sum is σ = 145932192000. Its totient is φ = 20235651072.

The previous prime is 61622916937. The next prime is 61622917021. The reversal of 61622916996 is 69961922616.

It is a happy 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, 353266 + ... + 498038.

It is an arithmetic number, because the mean of its divisors is an integer number (3040254000).

Almost surely, 2^61622916996 is an apocalyptic number.

It is an amenable number.

61622916996 is an abundant number, since it is smaller than the sum of its proper divisors (84309275004).

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

61622916996 is a wasteful number, since it uses less digits than its factorization.

61622916996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145308 (or 145306 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 57.

The spelling of 61622916996 in words is "sixty-one billion, six hundred twenty-two million, nine hundred sixteen thousand, nine hundred ninety-six".