1660700412 has 36 divisors (see below), whose sum is σ = 4797579696. Its totient is φ = 474485760.

The previous prime is 1660700381. The next prime is 1660700413. The reversal of 1660700412 is 2140070661.

1660700412 is a `hidden beast` number, since 16 + 607 + 0 + 0 + 41 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660700413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3294789 + ... + 3295292.

Almost surely, 2^1660700412 is an apocalyptic number.

1660700412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1660700412 is an abundant number, since it is smaller than the sum of its proper divisors (3136879284).

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

1660700412 is a wasteful number, since it uses less digits than its factorization.

1660700412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6590098 (or 6590093 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1660700412 is about 40751.6921366463. The cubic root of 1660700412 is about 1184.2146545547.

The spelling of 1660700412 in words is "one billion, six hundred sixty million, seven hundred thousand, four hundred twelve".