16463164425 has 24 divisors (see below), whose sum is σ = 28157691840. Its totient is φ = 8477582400.

The previous prime is 16463164409. The next prime is 16463164447. The reversal of 16463164425 is 52446136461.

It is not a de Polignac number, because 16463164425 - 2⁴ = 16463164409 is a prime.

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, 3782461 + ... + 3786810.

It is an arithmetic number, because the mean of its divisors is an integer number (1173237160).

Almost surely, 2^16463164425 is an apocalyptic number.

16463164425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16463164425 is a deficient number, since it is larger than the sum of its proper divisors (11694527415).

16463164425 is a wasteful number, since it uses less digits than its factorization.

16463164425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7569313 (or 7569308 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The spelling of 16463164425 in words is "sixteen billion, four hundred sixty-three million, one hundred sixty-four thousand, four hundred twenty-five".