516101601 has 4 divisors (see below), whose sum is σ = 688135472. Its totient is φ = 344067732.

The previous prime is 516101587. The next prime is 516101629. The reversal of 516101601 is 106101615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 516101601 - 2²³ = 507712993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (516101101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86016931 + ... + 86016936.

It is an arithmetic number, because the mean of its divisors is an integer number (172033868).

Almost surely, 2^516101601 is an apocalyptic number.

It is an amenable number.

516101601 is a deficient number, since it is larger than the sum of its proper divisors (172033871).

516101601 is a wasteful number, since it uses less digits than its factorization.

516101601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172033870.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 516101601 is about 22717.8696404394. The cubic root of 516101601 is about 802.1305713160.

The spelling of 516101601 in words is "five hundred sixteen million, one hundred one thousand, six hundred one".