61996610 has 48 divisors (see below), whose sum is σ = 123141816. Its totient is φ = 22338816.

The previous prime is 61996609. The next prime is 61996657. The reversal of 61996610 is 1669916.

It can be written as a sum of positive squares in 4 ways, for example, as 41357761 + 20638849 = 6431^2 + 4543^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 452462 + ... + 452598.

Almost surely, 2^61996610 is an apocalyptic number.

61996610 is a deficient number, since it is larger than the sum of its proper divisors (61145206).

61996610 is a wasteful number, since it uses less digits than its factorization.

61996610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 61996610 is about 7873.7926058539. The cubic root of 61996610 is about 395.7819472599.

The spelling of 61996610 in words is "sixty-one million, nine hundred ninety-six thousand, six hundred ten".