59721467489161 has 6 divisors (see below), whose sum is σ = 62430948056330. Its totient is φ = 57124881945648.

The previous prime is 59721467489149. The next prime is 59721467489197. The reversal of 59721467489161 is 16198476412795.

It can be written as a sum of positive squares in only one way, i.e., 57622066446400 + 2099401042761 = 7590920^2 + 1448931^2 .

It is not a de Polignac number, because 59721467489161 - 2⁴⁵ = 24537095400329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59721467489461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56447511276 + ... + 56447512333.

Almost surely, 2^{59721467489161} is an apocalyptic number.

It is an amenable number.

59721467489161 is a deficient number, since it is larger than the sum of its proper divisors (2709480567169).

59721467489161 is a wasteful number, since it uses less digits than its factorization.

59721467489161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112895023655 (or 112895023632 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 70.

The spelling of 59721467489161 in words is "fifty-nine trillion, seven hundred twenty-one billion, four hundred sixty-seven million, four hundred eighty-nine thousand, one hundred sixty-one".