16406552 has 8 divisors (see below), whose sum is σ = 30762300. Its totient is φ = 8203272.

The previous prime is 16406501. The next prime is 16406563. The reversal of 16406552 is 25560461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025402 + ... + 1025417.

Almost surely, 2^16406552 is an apocalyptic number.

It is an amenable number.

16406552 is a deficient number, since it is larger than the sum of its proper divisors (14355748).

16406552 is a wasteful number, since it uses less digits than its factorization.

16406552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050825 (or 2050821 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 16406552 is about 4050.5002160227. The cubic root of 16406552 is about 254.1006483139.

It can be divided in two parts, 1640 and 6552, that added together give a 13-th power (8192 = 2¹³).

The spelling of 16406552 in words is "sixteen million, four hundred six thousand, five hundred fifty-two".