1406633660 has 12 divisors (see below), whose sum is σ = 2953930728. Its totient is φ = 562653456.

The previous prime is 1406633653. The next prime is 1406633677. The reversal of 1406633660 is 663366041.

It is a self number, because there is not a number n which added to its sum of digits gives 1406633660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35165822 + ... + 35165861.

It is an arithmetic number, because the mean of its divisors is an integer number (246160894).

Almost surely, 2^1406633660 is an apocalyptic number.

1406633660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406633660 is an abundant number, since it is smaller than the sum of its proper divisors (1547297068).

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

1406633660 is a wasteful number, since it uses less digits than its factorization.

1406633660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70331692 (or 70331690 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 1406633660 is about 37505.1151178076. The cubic root of 1406633660 is about 1120.4530639376.

The spelling of 1406633660 in words is "one billion, four hundred six million, six hundred thirty-three thousand, six hundred sixty".