16553047 has 8 divisors (see below), whose sum is σ = 19913600. Its totient is φ = 13441464.

The previous prime is 16553041. The next prime is 16553051. The reversal of 16553047 is 74035561.

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

It is a cyclic number.

It is not a de Polignac number, because 16553047 - 2⁷ = 16552919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16553041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62097 + ... + 62362.

It is an arithmetic number, because the mean of its divisors is an integer number (2489200).

Almost surely, 2^16553047 is an apocalyptic number.

16553047 is a deficient number, since it is larger than the sum of its proper divisors (3360553).

16553047 is a wasteful number, since it uses less digits than its factorization.

16553047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124485.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 16553047 is about 4068.5435969152. The cubic root of 16553047 is about 254.8547012821.

The spelling of 16553047 in words is "sixteen million, five hundred fifty-three thousand, forty-seven".