1057172266 has 16 divisors (see below), whose sum is σ = 1617026400. Its totient is φ = 518212368.

The previous prime is 1057172239. The next prime is 1057172267. The reversal of 1057172266 is 6622717501.

1057172266 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 2×1057172266² = 2235226399999149512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057172267) 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, 32005 + ... + 56023.

It is an arithmetic number, because the mean of its divisors is an integer number (101064150).

Almost surely, 2^1057172266 is an apocalyptic number.

1057172266 is a deficient number, since it is larger than the sum of its proper divisors (559854134).

1057172266 is a wasteful number, since it uses less digits than its factorization.

1057172266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24453.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 1057172266 is about 32514.1856118218. The cubic root of 1057172266 is about 1018.7053502656.

Adding to 1057172266 its reverse (6622717501), we get a palindrome (7679889767).

The spelling of 1057172266 in words is "one billion, fifty-seven million, one hundred seventy-two thousand, two hundred sixty-six".