61620562101 has 32 divisors (see below), whose sum is σ = 102248294400. Its totient is φ = 32208200640.

The previous prime is 61620562067. The next prime is 61620562127. The reversal of 61620562101 is 10126502616.

It is not a de Polignac number, because 61620562101 - 2¹⁰ = 61620561077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61620562141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2651145 + ... + 2674286.

It is an arithmetic number, because the mean of its divisors is an integer number (3195259200).

Almost surely, 2^61620562101 is an apocalyptic number.

It is an amenable number.

61620562101 is a deficient number, since it is larger than the sum of its proper divisors (40627732299).

61620562101 is a wasteful number, since it uses less digits than its factorization.

61620562101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325489.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 61620562101 in words is "sixty-one billion, six hundred twenty million, five hundred sixty-two thousand, one hundred one".