61620960324001 has 16 divisors (see below), whose sum is σ = 67539830400000. Its totient is φ = 55872033504768.

The previous prime is 61620960323963. The next prime is 61620960324029. The reversal of 61620960324001 is 10042306902616.

It is not a de Polignac number, because 61620960324001 - 2⁴³ = 52824867301793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61620960324401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31203841 + ... + 33119806.

It is an arithmetic number, because the mean of its divisors is an integer number (4221239400000).

Almost surely, 2^{61620960324001} is an apocalyptic number.

It is an amenable number.

61620960324001 is a deficient number, since it is larger than the sum of its proper divisors (5918870075999).

61620960324001 is a wasteful number, since it uses less digits than its factorization.

61620960324001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64324968.

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 61620960324001 in words is "sixty-one trillion, six hundred twenty billion, nine hundred sixty million, three hundred twenty-four thousand, one".