6904616157 has 6 divisors (see below), whose sum is σ = 9973334462. Its totient is φ = 4603077432.

The previous prime is 6904616149. The next prime is 6904616183. The reversal of 6904616157 is 7516164096.

It can be written as a sum of positive squares in only one way, i.e., 3981483801 + 2923132356 = 63099^2 + 54066^2 .

It is not a de Polignac number, because 6904616157 - 2³ = 6904616149 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 (6904616137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 383589778 + ... + 383589795.

Almost surely, 2^6904616157 is an apocalyptic number.

It is an amenable number.

6904616157 is a deficient number, since it is larger than the sum of its proper divisors (3068718305).

6904616157 is a wasteful number, since it uses less digits than its factorization.

6904616157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767179579 (or 767179576 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 6904616157 is about 83094.0199833899. The cubic root of 6904616157 is about 1904.2027151179.

The spelling of 6904616157 in words is "six billion, nine hundred four million, six hundred sixteen thousand, one hundred fifty-seven".