6157566065 has 16 divisors (see below), whose sum is σ = 8453299968. Its totient is φ = 4218012096.

The previous prime is 6157566031. The next prime is 6157566067. The reversal of 6157566065 is 5606657516.

It is a cyclic number.

It is not a de Polignac number, because 6157566065 - 2¹⁶ = 6157500529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6157566067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55082 + ... + 123891.

It is an arithmetic number, because the mean of its divisors is an integer number (528331248).

Almost surely, 2^6157566065 is an apocalyptic number.

It is an amenable number.

6157566065 is a deficient number, since it is larger than the sum of its proper divisors (2295733903).

6157566065 is a wasteful number, since it uses less digits than its factorization.

6157566065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179968.

The product of its (nonzero) digits is 1134000, while the sum is 47.

The square root of 6157566065 is about 78470.1603477398. The cubic root of 6157566065 is about 1832.8898238652.

The spelling of 6157566065 in words is "six billion, one hundred fifty-seven million, five hundred sixty-six thousand, sixty-five".