6157561567 has 2 divisors, whose sum is σ = 6157561568. Its totient is φ = 6157561566.

The previous prime is 6157561559. The next prime is 6157561573. The reversal of 6157561567 is 7651657516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6157561567 - 2³ = 6157561559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6157561567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6157541567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3078780783 + 3078780784.

It is an arithmetic number, because the mean of its divisors is an integer number (3078780784).

Almost surely, 2^6157561567 is an apocalyptic number.

6157561567 is a deficient number, since it is larger than the sum of its proper divisors (1).

6157561567 is an equidigital number, since it uses as much as digits as its factorization.

6157561567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1323000, while the sum is 49.

The square root of 6157561567 is about 78470.1316871585. The cubic root of 6157561567 is about 1832.8893775666.

The spelling of 6157561567 in words is "six billion, one hundred fifty-seven million, five hundred sixty-one thousand, five hundred sixty-seven".