16361290 has 32 divisors (see below), whose sum is σ = 32685120. Its totient is φ = 5846400.

The previous prime is 16361269. The next prime is 16361341. The reversal of 16361290 is 9216361.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5230 + ... + 7750.

It is an arithmetic number, because the mean of its divisors is an integer number (1021410).

Almost surely, 2^16361290 is an apocalyptic number.

16361290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16361290 is a deficient number, since it is larger than the sum of its proper divisors (16323830).

16361290 is a wasteful number, since it uses less digits than its factorization.

16361290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2598.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 16361290 is about 4044.9091460749. The cubic root of 16361290 is about 253.8667641903.

Subtracting from 16361290 its reverse (9216361), we obtain a square (7144929 = 2673²).

It can be divided in two parts, 1636 and 1290, that added together give a triangular number (2926 = T₇₆).

The spelling of 16361290 in words is "sixteen million, three hundred sixty-one thousand, two hundred ninety".