1966874134 has 16 divisors (see below), whose sum is σ = 3058884000. Its totient is φ = 947398144.

The previous prime is 1966874093. The next prime is 1966874183. The reversal of 1966874134 is 4314786691.

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, 11722 + ... + 63805.

It is an arithmetic number, because the mean of its divisors is an integer number (191180250).

Almost surely, 2^1966874134 is an apocalyptic number.

1966874134 is a deficient number, since it is larger than the sum of its proper divisors (1092009866).

1966874134 is a wasteful number, since it uses less digits than its factorization.

1966874134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76007.

The product of its digits is 870912, while the sum is 49.

The square root of 1966874134 is about 44349.4547204360. The cubic root of 1966874134 is about 1252.9262926898.

The spelling of 1966874134 in words is "one billion, nine hundred sixty-six million, eight hundred seventy-four thousand, one hundred thirty-four".