151216644565 has 16 divisors (see below), whose sum is σ = 207663488640. Its totient is φ = 103551082560.

The previous prime is 151216644521. The next prime is 151216644671. The reversal of 151216644565 is 565446612151.

It is not a de Polignac number, because 151216644565 - 2⁷ = 151216644437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2897326 + ... + 2949055.

It is an arithmetic number, because the mean of its divisors is an integer number (12978968040).

Almost surely, 2^151216644565 is an apocalyptic number.

It is an amenable number.

151216644565 is a deficient number, since it is larger than the sum of its proper divisors (56446844075).

151216644565 is an equidigital number, since it uses as much as digits as its factorization.

151216644565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847132.

The product of its digits is 864000, while the sum is 46.

The spelling of 151216644565 in words is "one hundred fifty-one billion, two hundred sixteen million, six hundred forty-four thousand, five hundred sixty-five".