10166390 has 16 divisors (see below), whose sum is σ = 19707408. Its totient is φ = 3753696.

The previous prime is 10166389. The next prime is 10166399. The reversal of 10166390 is 9366101.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10166399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38972 + ... + 39231.

It is an arithmetic number, because the mean of its divisors is an integer number (1231713).

Almost surely, 2^10166390 is an apocalyptic number.

10166390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10166390 is a deficient number, since it is larger than the sum of its proper divisors (9541018).

10166390 is a wasteful number, since it uses less digits than its factorization.

10166390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78223.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 10166390 is about 3188.4776931947. The cubic root of 10166390 is about 216.6318234568.

The spelling of 10166390 in words is "ten million, one hundred sixty-six thousand, three hundred ninety".