272166507 has 16 divisors (see below), whose sum is σ = 424432000. Its totient is φ = 171894312.

The previous prime is 272166497. The next prime is 272166509. The reversal of 272166507 is 705661272.

It is not a de Polignac number, because 272166507 - 2⁶ = 272166443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272166509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264757 + ... + 265782.

It is an arithmetic number, because the mean of its divisors is an integer number (26527000).

Almost surely, 2^272166507 is an apocalyptic number.

272166507 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

272166507 is a deficient number, since it is larger than the sum of its proper divisors (152265493).

272166507 is a wasteful number, since it uses less digits than its factorization.

272166507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530567 (or 530561 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 272166507 is about 16497.4697150806. The cubic root of 272166507 is about 648.0545435913.

The spelling of 272166507 in words is "two hundred seventy-two million, one hundred sixty-six thousand, five hundred seven".