16126400587 has 8 divisors (see below), whose sum is σ = 17815127040. Its totient is φ = 14474789160.

The previous prime is 16126400509. The next prime is 16126400597. The reversal of 16126400587 is 78500462161.

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

It is a cyclic number.

It is not a de Polignac number, because 16126400587 - 2²⁷ = 15992182859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16126400597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9277843 + ... + 9279580.

It is an arithmetic number, because the mean of its divisors is an integer number (2226890880).

Almost surely, 2^16126400587 is an apocalyptic number.

16126400587 is a deficient number, since it is larger than the sum of its proper divisors (1688726453).

16126400587 is a wasteful number, since it uses less digits than its factorization.

16126400587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18557513.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 16126400587 in words is "sixteen billion, one hundred twenty-six million, four hundred thousand, five hundred eighty-seven".