16244627387 has 16 divisors (see below), whose sum is σ = 16694877888. Its totient is φ = 15800762880.

The previous prime is 16244627383. The next prime is 16244627393. The reversal of 16244627387 is 78372644261.

It is a cyclic number.

It is not a de Polignac number, because 16244627387 - 2² = 16244627383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16244627383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5986343 + ... + 5989055.

It is an arithmetic number, because the mean of its divisors is an integer number (1043429868).

Almost surely, 2^16244627387 is an apocalyptic number.

16244627387 is a deficient number, since it is larger than the sum of its proper divisors (450250501).

16244627387 is a wasteful number, since it uses less digits than its factorization.

16244627387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830.

The product of its digits is 2709504, while the sum is 50.

The spelling of 16244627387 in words is "sixteen billion, two hundred forty-four million, six hundred twenty-seven thousand, three hundred eighty-seven".