1046257664 has 28 divisors (see below), whose sum is σ = 2092403994. Its totient is φ = 523124736.

The previous prime is 1046257643. The next prime is 1046257727. The reversal of 1046257664 is 4667526401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 665227264 + 381030400 = 25792^2 + 19520^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55667 + ... + 72050.

Almost surely, 2^1046257664 is an apocalyptic number.

It is an amenable number.

1046257664 is a deficient number, since it is larger than the sum of its proper divisors (1046146330).

1046257664 is an frugal number, since it uses more digits than its factorization.

1046257664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127743 (or 127719 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 1046257664 is about 32345.9064488847. The cubic root of 1046257664 is about 1015.1873966239.

It can be divided in two parts, 104 and 6257664, that multiplied together give a palindrome (650797056).

The spelling of 1046257664 in words is "one billion, forty-six million, two hundred fifty-seven thousand, six hundred sixty-four".