6157657663 has 4 divisors (see below), whose sum is σ = 6300859048. Its totient is φ = 6014456280.

The previous prime is 6157657657. The next prime is 6157657691. The reversal of 6157657663 is 3667567516.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6157657663 - 2²⁵ = 6124103231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6157657663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6157657633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71600628 + ... + 71600713.

It is an arithmetic number, because the mean of its divisors is an integer number (1575214762).

Almost surely, 2^6157657663 is an apocalyptic number.

6157657663 is a deficient number, since it is larger than the sum of its proper divisors (143201385).

6157657663 is a wasteful number, since it uses less digits than its factorization.

6157657663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143201384.

The product of its digits is 4762800, while the sum is 52.

The square root of 6157657663 is about 78470.7439941791. The cubic root of 6157657663 is about 1832.8989123161.

The spelling of 6157657663 in words is "six billion, one hundred fifty-seven million, six hundred fifty-seven thousand, six hundred sixty-three".