1506166550 has 48 divisors (see below), whose sum is σ = 3210865920. Its totient is φ = 514918560.

The previous prime is 1506166531. The next prime is 1506166579. The reversal of 1506166550 is 556616051.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1506166550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119657 + ... + 131643.

It is an arithmetic number, because the mean of its divisors is an integer number (66893040).

Almost surely, 2^1506166550 is an apocalyptic number.

1506166550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1506166550 is an abundant number, since it is smaller than the sum of its proper divisors (1704699370).

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

1506166550 is a wasteful number, since it uses less digits than its factorization.

1506166550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12365 (or 12360 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1506166550 is about 38809.3616283494. The cubic root of 1506166550 is about 1146.2807506575.

The spelling of 1506166550 in words is "one billion, five hundred six million, one hundred sixty-six thousand, five hundred fifty".