6157027561 has 4 divisors (see below), whose sum is σ = 6169567824. Its totient is φ = 6144487300.

The previous prime is 6157027553. The next prime is 6157027571. The reversal of 6157027561 is 1657207516.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6157027561 - 2³ = 6157027553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6157027571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6269395 + ... + 6270376.

It is an arithmetic number, because the mean of its divisors is an integer number (1542391956).

Almost surely, 2^6157027561 is an apocalyptic number.

It is an amenable number.

6157027561 is a deficient number, since it is larger than the sum of its proper divisors (12540263).

6157027561 is a wasteful number, since it uses less digits than its factorization.

6157027561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540262.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 6157027561 is about 78466.7290066306. The cubic root of 6157027561 is about 1832.8363911038.

The spelling of 6157027561 in words is "six billion, one hundred fifty-seven million, twenty-seven thousand, five hundred sixty-one".