16552970 has 16 divisors (see below), whose sum is σ = 34051968. Its totient is φ = 5675280.

The previous prime is 16552961. The next prime is 16552973. The reversal of 16552970 is 7925561.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 16552970.

It is not an unprimeable number, because it can be changed into a prime (16552973) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 118166 + ... + 118305.

It is an arithmetic number, because the mean of its divisors is an integer number (2128248).

Almost surely, 2^16552970 is an apocalyptic number.

16552970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16552970 is an abundant number, since it is smaller than the sum of its proper divisors (17498998).

16552970 is a wasteful number, since it uses less digits than its factorization.

16552970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236485.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 16552970 is about 4068.5341340586. The cubic root of 16552970 is about 254.8543061113.

It can be divided in two parts, 165 and 52970, that added together give a palindrome (53135).

The spelling of 16552970 in words is "sixteen million, five hundred fifty-two thousand, nine hundred seventy".