61216392 has 16 divisors (see below), whose sum is σ = 153041040. Its totient is φ = 20405456.

The previous prime is 61216373. The next prime is 61216417. The reversal of 61216392 is 29361216.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1275318 + ... + 1275365.

It is an arithmetic number, because the mean of its divisors is an integer number (9565065).

Almost surely, 2^61216392 is an apocalyptic number.

It is an amenable number.

61216392 is an abundant number, since it is smaller than the sum of its proper divisors (91824648).

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

61216392 is a wasteful number, since it uses less digits than its factorization.

61216392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550692 (or 2550688 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 61216392 is about 7824.0904902743. The cubic root of 61216392 is about 394.1146479384.

The spelling of 61216392 in words is "sixty-one million, two hundred sixteen thousand, three hundred ninety-two".