61392229316 has 72 divisors (see below), whose sum is σ = 124406029440. Its totient is φ = 26415702720.

The previous prime is 61392229313. The next prime is 61392229321.

61392229316 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (61392229313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18362741 + ... + 18366083.

It is an arithmetic number, because the mean of its divisors is an integer number (1727861520).

Almost surely, 2^61392229316 is an apocalyptic number.

It is an amenable number.

61392229316 is an abundant number, since it is smaller than the sum of its proper divisors (63013800124).

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

61392229316 is a wasteful number, since it uses less digits than its factorization.

61392229316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5385 (or 5372 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The spelling of 61392229316 in words is "sixty-one billion, three hundred ninety-two million, two hundred twenty-nine thousand, three hundred sixteen".