106603506 has 32 divisors (see below), whose sum is σ = 240150720. Its totient is φ = 35046432.

The previous prime is 106603489. The next prime is 106603537. The reversal of 106603506 is 605306601.

106603506 is a `hidden beast` number, since 1 + 0 + 6 + 603 + 50 + 6 = 666.

It is a super-2 number, since 2×106603506² = 22728614982984072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 106603506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9580 + ... + 17463.

It is an arithmetic number, because the mean of its divisors is an integer number (7504710).

Almost surely, 2^106603506 is an apocalyptic number.

106603506 is an abundant number, since it is smaller than the sum of its proper divisors (133547214).

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

106603506 is a wasteful number, since it uses less digits than its factorization.

106603506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27127 (or 27121 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 106603506 is about 10324.8973844780. The cubic root of 106603506 is about 474.1588155533.

The spelling of 106603506 in words is "one hundred six million, six hundred three thousand, five hundred six".