172217667040140 has 48 divisors (see below), whose sum is σ = 483360325701120. Its totient is φ = 45815105688000.

The previous prime is 172217667040093. The next prime is 172217667040187. The reversal of 172217667040140 is 41040766712271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (172217667040093) and next prime (172217667040187).

It is a self number, because there is not a number n which added to its sum of digits gives 172217667040140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3425147236 + ... + 3425197515.

It is an arithmetic number, because the mean of its divisors is an integer number (10070006785440).

Almost surely, 2^{172217667040140} is an apocalyptic number.

172217667040140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172217667040140 is an abundant number, since it is smaller than the sum of its proper divisors (311142658660980).

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

172217667040140 is a wasteful number, since it uses less digits than its factorization.

172217667040140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6850345182 (or 6850345180 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 48.

The spelling of 172217667040140 in words is "one hundred seventy-two trillion, two hundred seventeen billion, six hundred sixty-seven million, forty thousand, one hundred forty".