11667672290 has 16 divisors (see below), whose sum is σ = 21016491768. Its totient is φ = 4663806336.

The previous prime is 11667672287. The next prime is 11667672307. The reversal of 11667672290 is 9227676611.

It is a Cunningham number, because it is equal to 108017²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 11667672289 + 1 = 108017^2 + 1^2 .

It is a super-2 number, since 2×11667672290² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392777 + ... + 421436.

Almost surely, 2^11667672290 is an apocalyptic number.

11667672290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11667672290 is a deficient number, since it is larger than the sum of its proper divisors (9348819478).

11667672290 is a wasteful number, since it uses less digits than its factorization.

11667672290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815653.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 11667672290 in words is "eleven billion, six hundred sixty-seven million, six hundred seventy-two thousand, two hundred ninety".