16351140 has 48 divisors (see below), whose sum is σ = 49307328. Its totient is φ = 4024704.

The previous prime is 16351129. The next prime is 16351141. The reversal of 16351140 is 4115361.

It is not an unprimeable number, because it can be changed into a prime (16351141) 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, 9702 + ... + 11261.

It is an arithmetic number, because the mean of its divisors is an integer number (1027236).

Almost surely, 2^16351140 is an apocalyptic number.

16351140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16351140 is an abundant number, since it is smaller than the sum of its proper divisors (32956188).

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

16351140 is a wasteful number, since it uses less digits than its factorization.

16351140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20988 (or 20986 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 16351140 is about 4043.6542878936. The cubic root of 16351140 is about 253.8142564992.

It can be divided in two parts, 1635 and 1140, that added together give a triangular number (2775 = T₇₄).

The spelling of 16351140 in words is "sixteen million, three hundred fifty-one thousand, one hundred forty".