18126965428 has 192 divisors, whose sum is σ = 42568001280. Its totient is φ = 6613401600.

The previous prime is 18126965419. The next prime is 18126965473. The reversal of 18126965428 is 82456962181.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7573800 + ... + 7576192.

It is an arithmetic number, because the mean of its divisors is an integer number (221708340).

Almost surely, 2^18126965428 is an apocalyptic number.

It is an amenable number.

18126965428 is an abundant number, since it is smaller than the sum of its proper divisors (24441035852).

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

18126965428 is a wasteful number, since it uses less digits than its factorization.

18126965428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2496 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The spelling of 18126965428 in words is "eighteen billion, one hundred twenty-six million, nine hundred sixty-five thousand, four hundred twenty-eight".