61567051623 has 32 divisors (see below), whose sum is σ = 102416320512. Its totient is φ = 31960668000.

The previous prime is 61567051621. The next prime is 61567051627. The reversal of 61567051623 is 32615076516.

It is not a de Polignac number, because 61567051623 - 2¹ = 61567051621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61567051621) 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, 243340 + ... + 427022.

It is an arithmetic number, because the mean of its divisors is an integer number (3200510016).

Almost surely, 2^61567051623 is an apocalyptic number.

61567051623 is a deficient number, since it is larger than the sum of its proper divisors (40849268889).

61567051623 is a wasteful number, since it uses less digits than its factorization.

61567051623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185155.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 61567051623 in words is "sixty-one billion, five hundred sixty-seven million, fifty-one thousand, six hundred twenty-three".