11667803436 has 144 divisors (see below), whose sum is σ = 31831654400. Its totient is φ = 3732946560.

The previous prime is 11667803393. The next prime is 11667803449. The reversal of 11667803436 is 63430876611.

It is a super-2 number, since 2×11667803436² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11667803391 and 11667803400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3825240 + ... + 3828288.

Almost surely, 2^11667803436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11667803436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15915827200).

11667803436 is an abundant number, since it is smaller than the sum of its proper divisors (20163850964).

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

11667803436 is a wasteful number, since it uses less digits than its factorization.

11667803436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 11667803436 in words is "eleven billion, six hundred sixty-seven million, eight hundred three thousand, four hundred thirty-six".