5100231661 has 16 divisors (see below), whose sum is σ = 5858645760. Its totient is φ = 4349318400.

The previous prime is 5100231641. The next prime is 5100231673. The reversal of 5100231661 is 1661320015.

It is not a de Polignac number, because 5100231661 - 2²⁹ = 4563360749 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 (5100231611) 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, 1819461 + ... + 1822261.

It is an arithmetic number, because the mean of its divisors is an integer number (366165360).

Almost surely, 2^5100231661 is an apocalyptic number.

It is an amenable number.

5100231661 is a deficient number, since it is larger than the sum of its proper divisors (758414099).

5100231661 is a wasteful number, since it uses less digits than its factorization.

5100231661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 5100231661 is about 71415.9062184329. The cubic root of 5100231661 is about 1721.3266829607.

Adding to 5100231661 its reverse (1661320015), we get a palindrome (6761551676).

The spelling of 5100231661 in words is "five billion, one hundred million, two hundred thirty-one thousand, six hundred sixty-one".