1378174164 has 48 divisors (see below), whose sum is σ = 3333960000. Its totient is φ = 442773760.

The previous prime is 1378174153. The next prime is 1378174169. The reversal of 1378174164 is 4614718731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378174169) 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, 23962 + ... + 57710.

It is an arithmetic number, because the mean of its divisors is an integer number (69457500).

Almost surely, 2^1378174164 is an apocalyptic number.

It is an amenable number.

1378174164 is an abundant number, since it is smaller than the sum of its proper divisors (1955785836).

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

1378174164 is a wasteful number, since it uses less digits than its factorization.

1378174164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33880 (or 33878 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 1378174164 is about 37123.7681815842. The cubic root of 1378174164 is about 1112.8450576995.

The spelling of 1378174164 in words is "one billion, three hundred seventy-eight million, one hundred seventy-four thousand, one hundred sixty-four".