16285540 has 24 divisors (see below), whose sum is σ = 35304192. Its totient is φ = 6303840.

The previous prime is 16285537. The next prime is 16285573. The reversal of 16285540 is 4558261.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 12514 + ... + 13753.

It is an arithmetic number, because the mean of its divisors is an integer number (1471008).

Almost surely, 2^16285540 is an apocalyptic number.

16285540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16285540 is an abundant number, since it is smaller than the sum of its proper divisors (19018652).

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

16285540 is a wasteful number, since it uses less digits than its factorization.

16285540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26307 (or 26305 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 16285540 is about 4035.5346609836. The cubic root of 16285540 is about 253.4743712962.

It can be divided in two parts, 162 and 85540, that multiplied together give a triangular number (13857480 = T₅₂₆₄).

The spelling of 16285540 in words is "sixteen million, two hundred eighty-five thousand, five hundred forty".