1057641366 has 16 divisors (see below), whose sum is σ = 2239711344. Its totient is φ = 331809024.

The previous prime is 1057641313. The next prime is 1057641367. The reversal of 1057641366 is 6631467501.

It is a super-2 number, since 2×1057641366² = 2237210518148691912, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057641367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5184415 + ... + 5184618.

It is an arithmetic number, because the mean of its divisors is an integer number (139981959).

Almost surely, 2^1057641366 is an apocalyptic number.

1057641366 is an abundant number, since it is smaller than the sum of its proper divisors (1182069978).

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

1057641366 is a wasteful number, since it uses less digits than its factorization.

1057641366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10369055.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1057641366 is about 32521.3985861617. The cubic root of 1057641366 is about 1018.8560049981.

The spelling of 1057641366 in words is "one billion, fifty-seven million, six hundred forty-one thousand, three hundred sixty-six".