2016670456 has 8 divisors (see below), whose sum is σ = 3781257120. Its totient is φ = 1008335224.

The previous prime is 2016670451. The next prime is 2016670471. The reversal of 2016670456 is 6540766102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016670451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126041896 + ... + 126041911.

It is an arithmetic number, because the mean of its divisors is an integer number (472657140).

Almost surely, 2^2016670456 is an apocalyptic number.

It is an amenable number.

2016670456 is a deficient number, since it is larger than the sum of its proper divisors (1764586664).

2016670456 is a wasteful number, since it uses less digits than its factorization.

2016670456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252083813 (or 252083809 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2016670456 is about 44907.3541416103. The cubic root of 2016670456 is about 1263.4119450544.

The spelling of 2016670456 in words is "two billion, sixteen million, six hundred seventy thousand, four hundred fifty-six".