154221006604 has 12 divisors (see below), whose sum is σ = 308442013264. Its totient is φ = 66094717104.

The previous prime is 154221006587. The next prime is 154221006607. The reversal of 154221006604 is 406600122451.

It is a happy number.

154221006604 is an admirable number.

It is a super-2 number, since 2×154221006604² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154221006607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753946519 + ... + 2753946574.

Almost surely, 2^154221006604 is an apocalyptic number.

154221006604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

154221006604 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.

154221006604 is a wasteful number, since it uses less digits than its factorization.

154221006604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5507893104 (or 5507893102 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 154221006604 in words is "one hundred fifty-four billion, two hundred twenty-one million, six thousand, six hundred four".