61365147392 has 72 divisors (see below), whose sum is σ = 125885790240. Its totient is φ = 29836984320.

The previous prime is 61365147331. The next prime is 61365147407. The reversal of 61365147392 is 29374156316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3275909 + ... + 3294587.

Almost surely, 2^61365147392 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 61365147392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62942895120).

61365147392 is an abundant number, since it is smaller than the sum of its proper divisors (64520642848).

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

61365147392 is a wasteful number, since it uses less digits than its factorization.

61365147392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049 (or 19035 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The spelling of 61365147392 in words is "sixty-one billion, three hundred sixty-five million, one hundred forty-seven thousand, three hundred ninety-two".