1057297466 has 8 divisors (see below), whose sum is σ = 1586179584. Its totient is φ = 528570940.

The previous prime is 1057297433. The next prime is 1057297469. The reversal of 1057297466 is 6647927501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1057297466² = 2235755863220042312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057297466.

It is not an unprimeable number, because it can be changed into a prime (1057297469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20090 + ... + 50181.

It is an arithmetic number, because the mean of its divisors is an integer number (198272448).

Almost surely, 2^1057297466 is an apocalyptic number.

1057297466 is a deficient number, since it is larger than the sum of its proper divisors (528882118).

1057297466 is an equidigital number, since it uses as much as digits as its factorization.

1057297466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77796.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 1057297466 is about 32516.1108683065. The cubic root of 1057297466 is about 1018.7455634770.

The spelling of 1057297466 in words is "one billion, fifty-seven million, two hundred ninety-seven thousand, four hundred sixty-six".