16552494 has 60 divisors (see below), whose sum is σ = 41947776. Its totient is φ = 4716936.

The previous prime is 16552493. The next prime is 16552499. The reversal of 16552494 is 49425561.

16552494 is a `hidden beast` number, since 16 + 552 + 4 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16552493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 43027 + ... + 43409.

Almost surely, 2^16552494 is an apocalyptic number.

16552494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16552494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20973888).

16552494 is an abundant number, since it is smaller than the sum of its proper divisors (25395282).

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

16552494 is an equidigital number, since it uses as much as digits as its factorization.

16552494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 395 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 16552494 is about 4068.4756359108. The cubic root of 16552494 is about 254.8518632101.

The spelling of 16552494 in words is "sixteen million, five hundred fifty-two thousand, four hundred ninety-four".