11667789460 has 24 divisors (see below), whose sum is σ = 24727154760. Its totient is φ = 4624297344.

The previous prime is 11667789449. The next prime is 11667789461. The reversal of 11667789460 is 6498776611.

It can be written as a sum of positive squares in 4 ways, for example, as 2212949764 + 9454839696 = 47042^2 + 97236^2 .

It is a super-2 number, since 2×11667789460² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667789461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673919 + ... + 2678278.

It is an arithmetic number, because the mean of its divisors is an integer number (1030298115).

Almost surely, 2^11667789460 is an apocalyptic number.

11667789460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11667789460 is an abundant number, since it is smaller than the sum of its proper divisors (13059365300).

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

11667789460 is a wasteful number, since it uses less digits than its factorization.

11667789460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352315 (or 5352313 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 11667789460 in words is "eleven billion, six hundred sixty-seven million, seven hundred eighty-nine thousand, four hundred sixty".