2057377066 has 4 divisors (see below), whose sum is σ = 3086065602. Its totient is φ = 1028688532.

The previous prime is 2057377033. The next prime is 2057377067. The reversal of 2057377066 is 6607737502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1964351041 + 93026025 = 44321^2 + 9645^2 .

It is not an unprimeable number, because it can be changed into a prime (2057377067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514344265 + ... + 514344268.

Almost surely, 2^2057377066 is an apocalyptic number.

2057377066 is a deficient number, since it is larger than the sum of its proper divisors (1028688536).

2057377066 is a wasteful number, since it uses less digits than its factorization.

2057377066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028688535.

The product of its (nonzero) digits is 370440, while the sum is 43.

The square root of 2057377066 is about 45358.3185975847. The cubic root of 2057377066 is about 1271.8560634601.

The spelling of 2057377066 in words is "two billion, fifty-seven million, three hundred seventy-seven thousand, sixty-six".