61606424532 has 12 divisors (see below), whose sum is σ = 143748323936. Its totient is φ = 20535474840.

The previous prime is 61606424507. The next prime is 61606424569. The reversal of 61606424532 is 23542460616.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×61606424532² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2566934344 + ... + 2566934367.

Almost surely, 2^61606424532 is an apocalyptic number.

It is an amenable number.

61606424532 is an abundant number, since it is smaller than the sum of its proper divisors (82141899404).

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

61606424532 is a wasteful number, since it uses less digits than its factorization.

61606424532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133868718 (or 5133868716 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 61606424532 in words is "sixty-one billion, six hundred six million, four hundred twenty-four thousand, five hundred thirty-two".