151566605061 has 4 divisors (see below), whose sum is σ = 202088806752. Its totient is φ = 101044403372.

The previous prime is 151566605017. The next prime is 151566605171. The reversal of 151566605061 is 160506665151.

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 151566605061 - 2⁷ = 151566604933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151566605461) 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, 25261100841 + ... + 25261100846.

It is an arithmetic number, because the mean of its divisors is an integer number (50522201688).

Almost surely, 2^151566605061 is an apocalyptic number.

It is an amenable number.

151566605061 is a deficient number, since it is larger than the sum of its proper divisors (50522201691).

151566605061 is an equidigital number, since it uses as much as digits as its factorization.

151566605061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50522201690.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 151566605061 in words is "one hundred fifty-one billion, five hundred sixty-six million, six hundred five thousand, sixty-one".