16534390 has 8 divisors (see below), whose sum is σ = 29761920. Its totient is φ = 6613752.

The previous prime is 16534373. The next prime is 16534411. The reversal of 16534390 is 9343561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 826710 + ... + 826729.

It is an arithmetic number, because the mean of its divisors is an integer number (3720240).

Almost surely, 2^16534390 is an apocalyptic number.

16534390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16534390 is a deficient number, since it is larger than the sum of its proper divisors (13227530).

16534390 is a wasteful number, since it uses less digits than its factorization.

16534390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653446.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 16534390 is about 4066.2501152782. The cubic root of 16534390 is about 254.7589160635.

The spelling of 16534390 in words is "sixteen million, five hundred thirty-four thousand, three hundred ninety".