16249970 has 16 divisors (see below), whose sum is σ = 31909248. Its totient is φ = 5909040.

The previous prime is 16249963. The next prime is 16250009. The reversal of 16249970 is 7994261.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73754 + ... + 73973.

It is an arithmetic number, because the mean of its divisors is an integer number (1994328).

Almost surely, 2^16249970 is an apocalyptic number.

16249970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16249970 is a deficient number, since it is larger than the sum of its proper divisors (15659278).

16249970 is a wasteful number, since it uses less digits than its factorization.

16249970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147745.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 16249970 is about 4031.1251531055. The cubic root of 16249970 is about 253.2896950843.

The spelling of 16249970 in words is "sixteen million, two hundred forty-nine thousand, nine hundred seventy".