1266652332 has 36 divisors (see below), whose sum is σ = 3492890856. Its totient is φ = 383833920.

The previous prime is 1266652327. The next prime is 1266652367. The reversal of 1266652332 is 2332566621.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1266652332² = 3208816260322076448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1598913 + ... + 1599704.

It is an arithmetic number, because the mean of its divisors is an integer number (97024746).

Almost surely, 2^1266652332 is an apocalyptic number.

1266652332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1266652332 is an abundant number, since it is smaller than the sum of its proper divisors (2226238524).

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

1266652332 is a wasteful number, since it uses less digits than its factorization.

1266652332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198638 (or 3198633 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 1266652332 is about 35590.0594548534. The cubic root of 1266652332 is about 1081.9797739610.

The spelling of 1266652332 in words is "one billion, two hundred sixty-six million, six hundred fifty-two thousand, three hundred thirty-two".