1252166466 has 16 divisors (see below), whose sum is σ = 2590689600. Its totient is φ = 402996048.

The previous prime is 1252166453. The next prime is 1252166471. The reversal of 1252166466 is 6646612521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3598006 + ... + 3598353.

It is an arithmetic number, because the mean of its divisors is an integer number (161918100).

Almost surely, 2^1252166466 is an apocalyptic number.

1252166466 is an abundant number, since it is smaller than the sum of its proper divisors (1338523134).

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

1252166466 is a wasteful number, since it uses less digits than its factorization.

1252166466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196393.

The product of its digits is 103680, while the sum is 39.

The square root of 1252166466 is about 35385.9642513808. The cubic root of 1252166466 is about 1077.8393204246.

Adding to 1252166466 its reverse (6646612521), we get a palindrome (7898778987).

It can be divided in two parts, 12521 and 66466, that added together give a palindrome (78987).

The spelling of 1252166466 in words is "one billion, two hundred fifty-two million, one hundred sixty-six thousand, four hundred sixty-six".