11662405554 has 8 divisors (see below), whose sum is σ = 23324811120. Its totient is φ = 3887468516.

The previous prime is 11662405549. The next prime is 11662405621. The reversal of 11662405554 is 45550426611.

It is a sphenic number, since it is the product of 3 distinct primes.

11662405554 is an admirable number.

It is a super-4 number, since 4×11662405554⁴ (a number of 41 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971867124 + ... + 971867135.

It is an arithmetic number, because the mean of its divisors is an integer number (2915601390).

Almost surely, 2^11662405554 is an apocalyptic number.

11662405554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11662405554 is a wasteful number, since it uses less digits than its factorization.

11662405554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943734264.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 11662405554 in words is "eleven billion, six hundred sixty-two million, four hundred five thousand, five hundred fifty-four".