1057366660 has 24 divisors (see below), whose sum is σ = 2537680320. Its totient is φ = 362525664.

The previous prime is 1057366627. The next prime is 1057366703. The reversal of 1057366660 is 666637501.

It is a super-2 number, since 2×1057366660² = 2236048507359111200, which contains 22 as substring.

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, 3776170 + ... + 3776449.

It is an arithmetic number, because the mean of its divisors is an integer number (105736680).

Almost surely, 2^1057366660 is an apocalyptic number.

1057366660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1057366660 is an abundant number, since it is smaller than the sum of its proper divisors (1480313660).

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

1057366660 is a wasteful number, since it uses less digits than its factorization.

1057366660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7552635 (or 7552633 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 1057366660 is about 32517.1748465330. The cubic root of 1057366660 is about 1018.7677866592.

The spelling of 1057366660 in words is "one billion, fifty-seven million, three hundred sixty-six thousand, six hundred sixty".