16146690 has 64 divisors (see below), whose sum is σ = 46227456. Its totient is φ = 3529152.

The previous prime is 16146677. The next prime is 16146701. The reversal of 16146690 is 9664161.

It is a super-2 number, since 2×16146690² = 521431195912200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3159 + ... + 6501.

It is an arithmetic number, because the mean of its divisors is an integer number (722304).

Almost surely, 2^16146690 is an apocalyptic number.

16146690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16146690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23113728).

16146690 is an abundant number, since it is smaller than the sum of its proper divisors (30080766).

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

16146690 is a wasteful number, since it uses less digits than its factorization.

16146690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 16146690 is about 4018.2944143007. The cubic root of 16146690 is about 252.7519427590.

It can be divided in two parts, 16146 and 690, that added together give a triangular number (16836 = T₁₈₃).

The spelling of 16146690 in words is "sixteen million, one hundred forty-six thousand, six hundred ninety".