1501560665 has 16 divisors (see below), whose sum is σ = 1968350976. Its totient is φ = 1090560000.

The previous prime is 1501560661. The next prime is 1501560667. The reversal of 1501560665 is 5660651051.

It is not a de Polignac number, because 1501560665 - 2² = 1501560661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1501560661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23129 + ... + 59481.

It is an arithmetic number, because the mean of its divisors is an integer number (123021936).

Almost surely, 2^1501560665 is an apocalyptic number.

It is an amenable number.

1501560665 is a deficient number, since it is larger than the sum of its proper divisors (466790311).

1501560665 is a wasteful number, since it uses less digits than its factorization.

1501560665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37120.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1501560665 is about 38749.9763225734. The cubic root of 1501560665 is about 1145.1111083804. Note that the first 4 decimals are identical.

The spelling of 1501560665 in words is "one billion, five hundred one million, five hundred sixty thousand, six hundred sixty-five".