16153990 has 16 divisors (see below), whose sum is σ = 30607920. Its totient is φ = 6121440.

The previous prime is 16153987. The next prime is 16153993. The reversal of 16153990 is 9935161.

It is an interprime number because it is at equal distance from previous prime (16153987) and next prime (16153993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16153993) 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, 42321 + ... + 42700.

It is an arithmetic number, because the mean of its divisors is an integer number (1912995).

Almost surely, 2^16153990 is an apocalyptic number.

16153990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16153990 is a deficient number, since it is larger than the sum of its proper divisors (14453930).

16153990 is a wasteful number, since it uses less digits than its factorization.

16153990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85047.

The product of its (nonzero) digits is 7290, while the sum is 34.

The square root of 16153990 is about 4019.2026572443. The cubic root of 16153990 is about 252.7900271629.

The spelling of 16153990 in words is "sixteen million, one hundred fifty-three thousand, nine hundred ninety".