1156668080 has 40 divisors (see below), whose sum is σ = 2721669552. Its totient is φ = 457090304.

The previous prime is 1156667977. The next prime is 1156668133. The reversal of 1156668080 is 808666511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 80459 + ... + 93738.

Almost surely, 2^1156668080 is an apocalyptic number.

1156668080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156668080 is an abundant number, since it is smaller than the sum of its proper divisors (1565001472).

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

1156668080 is a wasteful number, since it uses less digits than its factorization.

1156668080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174293 (or 174287 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1156668080 is about 34009.8232868094. The cubic root of 1156668080 is about 1049.7106020281.

The spelling of 1156668080 in words is "one billion, one hundred fifty-six million, six hundred sixty-eight thousand, eighty".