16251954 has 32 divisors (see below), whose sum is σ = 35148480. Its totient is φ = 4992192.

The previous prime is 16251953. The next prime is 16251997. The reversal of 16251954 is 45915261.

It is not an unprimeable number, because it can be changed into a prime (16251953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292 + ... + 6144.

It is an arithmetic number, because the mean of its divisors is an integer number (1098390).

Almost surely, 2^16251954 is an apocalyptic number.

16251954 is an abundant number, since it is smaller than the sum of its proper divisors (18896526).

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

16251954 is a wasteful number, since it uses less digits than its factorization.

16251954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914.

The product of its digits is 10800, while the sum is 33.

The square root of 16251954 is about 4031.3712307353. The cubic root of 16251954 is about 253.3000029249.

It can be divided in two parts, 16251 and 954, that added together give a triangular number (17205 = T₁₈₅).

The spelling of 16251954 in words is "sixteen million, two hundred fifty-one thousand, nine hundred fifty-four".