61654216694892 has 24 divisors (see below), whose sum is σ = 146007000732096. Its totient is φ = 20244668168208.

The previous prime is 61654216694881. The next prime is 61654216694929. The reversal of 61654216694892 is 29849661245616.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38342173758 + ... + 38342175365.

It is an arithmetic number, because the mean of its divisors is an integer number (6083625030504).

Almost surely, 2^{61654216694892} is an apocalyptic number.

It is an amenable number.

61654216694892 is an abundant number, since it is smaller than the sum of its proper divisors (84352784037204).

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

61654216694892 is a wasteful number, since it uses less digits than its factorization.

61654216694892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76684349197 (or 76684349195 counting only the distinct ones).

The product of its digits is 268738560, while the sum is 69.

The spelling of 61654216694892 in words is "sixty-one trillion, six hundred fifty-four billion, two hundred sixteen million, six hundred ninety-four thousand, eight hundred ninety-two".