1400166064 has 20 divisors (see below), whose sum is σ = 2959442280. Its totient is φ = 636439040.

The previous prime is 1400166041. The next prime is 1400166071. The reversal of 1400166064 is 4606610041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3977569 + ... + 3977920.

It is an arithmetic number, because the mean of its divisors is an integer number (147972114).

Almost surely, 2^1400166064 is an apocalyptic number.

It is an amenable number.

1400166064 is an abundant number, since it is smaller than the sum of its proper divisors (1559276216).

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

1400166064 is a wasteful number, since it uses less digits than its factorization.

1400166064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955508 (or 7955502 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1400166064 is about 37418.7929254806. The cubic root of 1400166064 is about 1118.7331722280.

The spelling of 1400166064 in words is "one billion, four hundred million, one hundred sixty-six thousand, sixty-four".