61168087 has 8 divisors (see below), whose sum is σ = 65270960. Its totient is φ = 57153600.

The previous prime is 61168039. The next prime is 61168097. The reversal of 61168087 is 78086116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61168087 - 2²³ = 52779479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61168007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20664 + ... + 23437.

It is an arithmetic number, because the mean of its divisors is an integer number (8158870).

Almost surely, 2^61168087 is an apocalyptic number.

61168087 is a deficient number, since it is larger than the sum of its proper divisors (4102873).

61168087 is a wasteful number, since it uses less digits than its factorization.

61168087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44193.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 61168087 is about 7821.0029407999. The cubic root of 61168087 is about 394.0109572051.

The spelling of 61168087 in words is "sixty-one million, one hundred sixty-eight thousand, eighty-seven".