1057213546866 has 96 divisors (see below), whose sum is σ = 2350902528000. Its totient is φ = 343268966880.

The previous prime is 1057213546853. The next prime is 1057213546877. The reversal of 1057213546866 is 6686453127501.

It is a happy number.

1057213546866 is a `hidden beast` number, since 1 + 0 + 5 + 7 + 2 + 13 + 546 + 86 + 6 = 666.

1057213546866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1057213546866² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51816535 + ... + 51836933.

It is an arithmetic number, because the mean of its divisors is an integer number (24488568000).

Almost surely, 2^{1057213546866} is an apocalyptic number.

1057213546866 is an abundant number, since it is smaller than the sum of its proper divisors (1293688981134).

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

1057213546866 is a wasteful number, since it uses less digits than its factorization.

1057213546866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20964 (or 20961 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 1057213546866 in words is "one trillion, fifty-seven billion, two hundred thirteen million, five hundred forty-six thousand, eight hundred sixty-six".