106518490 has 16 divisors (see below), whose sum is σ = 206482248. Its totient is φ = 39329856.

The previous prime is 106518407. The next prime is 106518547. The reversal of 106518490 is 94815601.

It can be written as a sum of positive squares in 4 ways, for example, as 60047001 + 46471489 = 7749^2 + 6817^2 .

It is a super-2 number, since 2×106518490² = 22692377423760200, which contains 22 as substring.

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, 409557 + ... + 409816.

Almost surely, 2^106518490 is an apocalyptic number.

106518490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106518490 is a deficient number, since it is larger than the sum of its proper divisors (99963758).

106518490 is a wasteful number, since it uses less digits than its factorization.

106518490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819393.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 106518490 is about 10320.7795248227. The cubic root of 106518490 is about 474.0327352516.

The spelling of 106518490 in words is "one hundred six million, five hundred eighteen thousand, four hundred ninety".