5660157561 has 8 divisors (see below), whose sum is σ = 7875001920. Its totient is φ = 3609375792.

The previous prime is 5660157557. The next prime is 5660157619. The reversal of 5660157561 is 1657510665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5660157561 - 2² = 5660157557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5660157511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41015566 + ... + 41015703.

It is an arithmetic number, because the mean of its divisors is an integer number (984375240).

Almost surely, 2^5660157561 is an apocalyptic number.

It is an amenable number.

5660157561 is a deficient number, since it is larger than the sum of its proper divisors (2214844359).

5660157561 is a wasteful number, since it uses less digits than its factorization.

5660157561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82031295.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 5660157561 is about 75234.0186418352. The cubic root of 5660157561 is about 1782.1441947683.

The spelling of 5660157561 in words is "five billion, six hundred sixty million, one hundred fifty-seven thousand, five hundred sixty-one".