61332172860993 has 16 divisors (see below), whose sum is σ = 86080573562880. Its totient is φ = 38735960247504.

The previous prime is 61332172860991. The next prime is 61332172861019. The reversal of 61332172860993 is 39906827123316.

It is not a de Polignac number, because 61332172860993 - 2¹ = 61332172860991 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61332172860991) 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, 13968480 + ... + 17826462.

It is an arithmetic number, because the mean of its divisors is an integer number (5380035847680).

Almost surely, 2^{61332172860993} is an apocalyptic number.

It is an amenable number.

61332172860993 is a deficient number, since it is larger than the sum of its proper divisors (24748400701887).

61332172860993 is a wasteful number, since it uses less digits than its factorization.

61332172860993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136908.

The product of its (nonzero) digits is 17635968, while the sum is 60.

The spelling of 61332172860993 in words is "sixty-one trillion, three hundred thirty-two billion, one hundred seventy-two million, eight hundred sixty thousand, nine hundred ninety-three".