16740990 has 48 divisors (see below), whose sum is σ = 49746528. Its totient is φ = 3826368.

The previous prime is 16740979. The next prime is 16741001. The reversal of 16740990 is 9904761.

16740990 is a `hidden beast` number, since 167 + 409 + 90 = 666.

It is an interprime number because it is at equal distance from previous prime (16740979) and next prime (16741001).

It is a congruent number.

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, 12657 + ... + 13916.

It is an arithmetic number, because the mean of its divisors is an integer number (1036386).

Almost surely, 2^16740990 is an apocalyptic number.

16740990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16740990 is an abundant number, since it is smaller than the sum of its proper divisors (33005538).

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

16740990 is a wasteful number, since it uses less digits than its factorization.

16740990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26593 (or 26590 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 16740990 is about 4091.5754911770. The cubic root of 16740990 is about 255.8156122597.

The spelling of 16740990 in words is "sixteen million, seven hundred forty thousand, nine hundred ninety".