61996612 has 12 divisors (see below), whose sum is σ = 108573696. Its totient is φ = 30975560.

The previous prime is 61996609. The next prime is 61996657. The reversal of 61996612 is 21669916.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437 + ... + 11227.

It is an arithmetic number, because the mean of its divisors is an integer number (9047808).

Almost surely, 2^61996612 is an apocalyptic number.

It is an amenable number.

61996612 is a deficient number, since it is larger than the sum of its proper divisors (46577084).

61996612 is a wasteful number, since it uses less digits than its factorization.

61996612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11378 (or 11376 counting only the distinct ones).

The product of its digits is 34992, while the sum is 40.

The square root of 61996612 is about 7873.7927328575. The cubic root of 61996612 is about 395.7819515159.

The spelling of 61996612 in words is "sixty-one million, nine hundred ninety-six thousand, six hundred twelve".