1646874054 has 48 divisors (see below), whose sum is σ = 4105389600. Its totient is φ = 467372160.

The previous prime is 1646874049. The next prime is 1646874143. The reversal of 1646874054 is 4504786461.

1646874054 is a `hidden beast` number, since 164 + 6 + 87 + 405 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25087 + ... + 62634.

It is an arithmetic number, because the mean of its divisors is an integer number (85528950).

Almost surely, 2^1646874054 is an apocalyptic number.

1646874054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1646874054 is an abundant number, since it is smaller than the sum of its proper divisors (2458515546).

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

1646874054 is a wasteful number, since it uses less digits than its factorization.

1646874054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87885 (or 87882 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 1646874054 is about 40581.6960463705. The cubic root of 1646874054 is about 1180.9190517909.

The spelling of 1646874054 in words is "one billion, six hundred forty-six million, eight hundred seventy-four thousand, fifty-four".