61205432051622 has 32 divisors (see below), whose sum is σ = 123346248157440. Its totient is φ = 20245915740960.

The previous prime is 61205432051609. The next prime is 61205432051683. The reversal of 61205432051622 is 22615023450216.

It is a super-2 number, since 2×61205432051622² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149208279 + ... + 149617917.

It is an arithmetic number, because the mean of its divisors is an integer number (3854570254920).

Almost surely, 2^{61205432051622} is an apocalyptic number.

61205432051622 is an abundant number, since it is smaller than the sum of its proper divisors (62140816105818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61205432051622 is a wasteful number, since it uses less digits than its factorization.

61205432051622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599868.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 61205432051622 in words is "sixty-one trillion, two hundred five billion, four hundred thirty-two million, fifty-one thousand, six hundred twenty-two".