11662670670 has 64 divisors (see below), whose sum is σ = 32592637440. Its totient is φ = 2615453568.

The previous prime is 11662670659. The next prime is 11662670689. The reversal of 11662670670 is 7607626611.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 512800 + ... + 535059.

It is an arithmetic number, because the mean of its divisors is an integer number (509259960).

Almost surely, 2^11662670670 is an apocalyptic number.

11662670670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11662670670 is an abundant number, since it is smaller than the sum of its proper divisors (20929966770).

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

11662670670 is a wasteful number, since it uses less digits than its factorization.

11662670670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047929.

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 11662670670 in words is "eleven billion, six hundred sixty-two million, six hundred seventy thousand, six hundred seventy".