616592091 has 16 divisors (see below), whose sum is σ = 882412704. Its totient is φ = 381579264.

The previous prime is 616592069. The next prime is 616592131. The reversal of 616592091 is 190295616.

It is not a de Polignac number, because 616592091 - 2⁵ = 616592059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616592051) 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, 79086 + ... + 86531.

It is an arithmetic number, because the mean of its divisors is an integer number (55150794).

Almost surely, 2^616592091 is an apocalyptic number.

616592091 is a deficient number, since it is larger than the sum of its proper divisors (265820613).

616592091 is a wasteful number, since it uses less digits than its factorization.

616592091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165710.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 616592091 is about 24831.2724402114. The cubic root of 616592091 is about 851.1366988311.

The spelling of 616592091 in words is "six hundred sixteen million, five hundred ninety-two thousand, ninety-one".