16420495 has 32 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 10281600.

The previous prime is 16420463. The next prime is 16420507. The reversal of 16420495 is 59402461.

It is not a de Polignac number, because 16420495 - 2⁵ = 16420463 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68586 + ... + 68824.

It is an arithmetic number, because the mean of its divisors is an integer number (766080).

Almost surely, 2^16420495 is an apocalyptic number.

16420495 is a deficient number, since it is larger than the sum of its proper divisors (8094065).

16420495 is a wasteful number, since it uses less digits than its factorization.

16420495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 16420495 is about 4052.2209959478. The cubic root of 16420495 is about 254.1726098524.

The spelling of 16420495 in words is "sixteen million, four hundred twenty thousand, four hundred ninety-five".