1546800864 has 48 divisors (see below), whose sum is σ = 4640404608. Its totient is φ = 441942912.

The previous prime is 1546800847. The next prime is 1546800883. The reversal of 1546800864 is 4680086451.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1546800864² = 4785185825742292992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 1150222 + ... + 1151565.

It is an arithmetic number, because the mean of its divisors is an integer number (96675096).

Almost surely, 2^1546800864 is an apocalyptic number.

1546800864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1546800864 is an abundant number, since it is smaller than the sum of its proper divisors (3093603744).

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

1546800864 is a wasteful number, since it uses less digits than its factorization.

1546800864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301807 (or 2301799 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 1546800864 is about 39329.3893163878. The cubic root of 1546800864 is about 1156.4977761511.

The spelling of 1546800864 in words is "one billion, five hundred forty-six million, eight hundred thousand, eight hundred sixty-four".