16340627964 has 24 divisors (see below), whose sum is σ = 38774373120. Its totient is φ = 5354555824.

The previous prime is 16340627921. The next prime is 16340628011. The reversal of 16340627964 is 46972604361.

It is a super-3 number, since 3×16340627964³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11539284 + ... + 11540699.

It is an arithmetic number, because the mean of its divisors is an integer number (1615598880).

Almost surely, 2^16340627964 is an apocalyptic number.

It is an amenable number.

16340627964 is an abundant number, since it is smaller than the sum of its proper divisors (22433745156).

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

16340627964 is a wasteful number, since it uses less digits than its factorization.

16340627964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23080049 (or 23080047 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 16340627964 in words is "sixteen billion, three hundred forty million, six hundred twenty-seven thousand, nine hundred sixty-four".