16154994 has 16 divisors (see below), whose sum is σ = 32352768. Its totient is φ = 5377872.

The previous prime is 16154989. The next prime is 16155011. The reversal of 16154994 is 49945161.

16154994 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16154994² = 521967662280072, which contains 22 as substring.

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, 5284 + ... + 7760.

It is an arithmetic number, because the mean of its divisors is an integer number (2022048).

Almost surely, 2^16154994 is an apocalyptic number.

16154994 is an abundant number, since it is smaller than the sum of its proper divisors (16197774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16154994 is a wasteful number, since it uses less digits than its factorization.

16154994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3569.

The product of its digits is 38880, while the sum is 39.

The square root of 16154994 is about 4019.3275556988. The cubic root of 16154994 is about 252.7952641752.

It can be divided in two parts, 1615499 and 4, that added together give a triangular number (1615503 = T₁₇₉₇).

The spelling of 16154994 in words is "sixteen million, one hundred fifty-four thousand, nine hundred ninety-four".