1015005666 has 16 divisors (see below), whose sum is σ = 2030580000. Its totient is φ = 338240448.

The previous prime is 1015005653. The next prime is 1015005671. The reversal of 1015005666 is 6665005101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1585 + ... + 45083.

It is an arithmetic number, because the mean of its divisors is an integer number (126911250).

Almost surely, 2^1015005666 is an apocalyptic number.

1015005666 is an abundant number, since it is smaller than the sum of its proper divisors (1015574334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1015005666 is a wasteful number, since it uses less digits than its factorization.

1015005666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47393.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1015005666 is about 31859.1535669107. The cubic root of 1015005666 is about 1004.9770762822.

The spelling of 1015005666 in words is "one billion, fifteen million, five thousand, six hundred sixty-six".