61316486 has 32 divisors (see below), whose sum is σ = 115319808. Its totient is φ = 23754240.

The previous prime is 61316483. The next prime is 61316491. The reversal of 61316486 is 68461316.

It is a super-2 number, since 2×61316486² = 7519422910776392, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61316483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28691 + ... + 30753.

It is an arithmetic number, because the mean of its divisors is an integer number (3603744).

Almost surely, 2^61316486 is an apocalyptic number.

61316486 is a deficient number, since it is larger than the sum of its proper divisors (54003322).

61316486 is a wasteful number, since it uses less digits than its factorization.

61316486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276.

The product of its digits is 20736, while the sum is 35.

The square root of 61316486 is about 7830.4844039178. The cubic root of 61316486 is about 394.3293346110.

The spelling of 61316486 in words is "sixty-one million, three hundred sixteen thousand, four hundred eighty-six".