15670940934 has 64 divisors (see below), whose sum is σ = 35811279360. Its totient is φ = 4525297920.

The previous prime is 15670940933. The next prime is 15670940951. The reversal of 15670940934 is 43904907651.

It is a super-3 number, since 3×15670940934³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15670940933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389154 + ... + 427530.

It is an arithmetic number, because the mean of its divisors is an integer number (559551240).

Almost surely, 2^15670940934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15670940934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17905639680).

15670940934 is an abundant number, since it is smaller than the sum of its proper divisors (20140338426).

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

15670940934 is a wasteful number, since it uses less digits than its factorization.

15670940934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38685.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 15670940934 in words is "fifteen billion, six hundred seventy million, nine hundred forty thousand, nine hundred thirty-four".