16277490 has 96 divisors (see below), whose sum is σ = 46085760. Its totient is φ = 4087584.

The previous prime is 16277479. The next prime is 16277501. The reversal of 16277490 is 9477261.

It is a happy number.

16277490 is a `hidden beast` number, since 162 + 7 + 7 + 490 = 666.

It is an interprime number because it is at equal distance from previous prime (16277479) and next prime (16277501).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97387 + ... + 97553.

It is an arithmetic number, because the mean of its divisors is an integer number (480060).

Almost surely, 2^16277490 is an apocalyptic number.

16277490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16277490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23042880).

16277490 is an abundant number, since it is smaller than the sum of its proper divisors (29808270).

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

16277490 is a wasteful number, since it uses less digits than its factorization.

16277490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 16277490 is about 4034.5371481745. The cubic root of 16277490 is about 253.4325999870.

The spelling of 16277490 in words is "sixteen million, two hundred seventy-seven thousand, four hundred ninety".