61562412032 has 176 divisors, whose sum is σ = 138275079264. Its totient is φ = 27156480000.

The previous prime is 61562412019. The next prime is 61562412047. The reversal of 61562412032 is 23021426516.

It is a tau number, because it is divible by the number of its divisors (176).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 61562412032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60295682 + ... + 60296702.

Almost surely, 2^61562412032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61562412032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69137539632).

61562412032 is an abundant number, since it is smaller than the sum of its proper divisors (76712667232).

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

61562412032 is a wasteful number, since it uses less digits than its factorization.

61562412032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 61562412032 its reverse (23021426516), we get a palindrome (84583838548).

The spelling of 61562412032 in words is "sixty-one billion, five hundred sixty-two million, four hundred twelve thousand, thirty-two".