2015668748 has 6 divisors (see below), whose sum is σ = 3527420316. Its totient is φ = 1007834372.

The previous prime is 2015668747. The next prime is 2015668757. The reversal of 2015668748 is 8478665102.

It is not an unprimeable number, because it can be changed into a prime (2015668747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251958590 + ... + 251958597.

It is an arithmetic number, because the mean of its divisors is an integer number (587903386).

Almost surely, 2^2015668748 is an apocalyptic number.

It is an amenable number.

2015668748 is a deficient number, since it is larger than the sum of its proper divisors (1511751568).

2015668748 is a wasteful number, since it uses less digits than its factorization.

2015668748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503917191 (or 503917189 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2015668748 is about 44896.1997055430. The cubic root of 2015668748 is about 1263.2027257033.

The spelling of 2015668748 in words is "two billion, fifteen million, six hundred sixty-eight thousand, seven hundred forty-eight".