61507162005 has 32 divisors (see below), whose sum is σ = 103379500800. Its totient is φ = 31166952960.

The previous prime is 61507161997. The next prime is 61507162021. The reversal of 61507162005 is 50026170516.

It is not a de Polignac number, because 61507162005 - 2³ = 61507161997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 546856 + ... + 649665.

It is an arithmetic number, because the mean of its divisors is an integer number (3230609400).

Almost surely, 2^61507162005 is an apocalyptic number.

It is an amenable number.

61507162005 is a deficient number, since it is larger than the sum of its proper divisors (41872338795).

61507162005 is a wasteful number, since it uses less digits than its factorization.

61507162005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196701.

The product of its (nonzero) digits is 12600, while the sum is 33.

The spelling of 61507162005 in words is "sixty-one billion, five hundred seven million, one hundred sixty-two thousand, five".