106181398 has 16 divisors (see below), whose sum is σ = 161095680. Its totient is φ = 52486056.

The previous prime is 106181393. The next prime is 106181407. The reversal of 106181398 is 893181601.

It is a super-2 number, since 2×106181398² = 22548978562468808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106181393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95715 + ... + 96817.

It is an arithmetic number, because the mean of its divisors is an integer number (10068480).

Almost surely, 2^106181398 is an apocalyptic number.

106181398 is a deficient number, since it is larger than the sum of its proper divisors (54914282).

106181398 is a wasteful number, since it uses less digits than its factorization.

106181398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 106181398 is about 10304.4358409376. The cubic root of 106181398 is about 473.5321601824.

The spelling of 106181398 in words is "one hundred six million, one hundred eighty-one thousand, three hundred ninety-eight".