5106661601 has 4 divisors (see below), whose sum is σ = 5140480704. Its totient is φ = 5072842500.

The previous prime is 5106661579. The next prime is 5106661619. The reversal of 5106661601 is 1061666015.

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 a cyclic number.

It is not a de Polignac number, because 5106661601 - 2⁶ = 5106661537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5106661621) 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, 16909325 + ... + 16909626.

It is an arithmetic number, because the mean of its divisors is an integer number (1285120176).

Almost surely, 2^5106661601 is an apocalyptic number.

It is an amenable number.

5106661601 is a deficient number, since it is larger than the sum of its proper divisors (33819103).

5106661601 is a wasteful number, since it uses less digits than its factorization.

5106661601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33819102.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5106661601 is about 71460.9096009839. The cubic root of 5106661601 is about 1722.0497468051.

The spelling of 5106661601 in words is "five billion, one hundred six million, six hundred sixty-one thousand, six hundred one".