61590086 has 16 divisors (see below), whose sum is σ = 94618368. Its totient is φ = 30059400.

The previous prime is 61590079. The next prime is 61590091. The reversal of 61590086 is 68009516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12521 + ... + 16731.

It is an arithmetic number, because the mean of its divisors is an integer number (5913648).

Almost surely, 2^61590086 is an apocalyptic number.

61590086 is a deficient number, since it is larger than the sum of its proper divisors (33028282).

61590086 is a wasteful number, since it uses less digits than its factorization.

61590086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 61590086 is about 7847.9351424435. The cubic root of 61590086 is about 394.9149760918.

The spelling of 61590086 in words is "sixty-one million, five hundred ninety thousand, eighty-six".