16267690 has 8 divisors (see below), whose sum is σ = 29281860. Its totient is φ = 6507072.

The previous prime is 16267681. The next prime is 16267697. The reversal of 16267690 is 9676261.

It can be written as a sum of positive squares in 2 ways, for example, as 16265089 + 2601 = 4033^2 + 51^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16267690² = 529275475872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16267697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 813375 + ... + 813394.

Almost surely, 2^16267690 is an apocalyptic number.

16267690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16267690 is a deficient number, since it is larger than the sum of its proper divisors (13014170).

16267690 is a wasteful number, since it uses less digits than its factorization.

16267690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626776.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 16267690 is about 4033.3224517760. The cubic root of 16267690 is about 253.3817293659.

It can be divided in two parts, 1626 and 7690, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 16267690 in words is "sixteen million, two hundred sixty-seven thousand, six hundred ninety".