207155491832 has 32 divisors (see below), whose sum is σ = 397469721600. Its totient is φ = 101172333024.

The previous prime is 207155491831. The next prime is 207155491843. The reversal of 207155491832 is 238194551702.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207155491831) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 358532 + ... + 736787.

It is an arithmetic number, because the mean of its divisors is an integer number (12420928800).

Almost surely, 2^207155491832 is an apocalyptic number.

It is an amenable number.

207155491832 is a deficient number, since it is larger than the sum of its proper divisors (190314229768).

207155491832 is a wasteful number, since it uses less digits than its factorization.

207155491832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095875 (or 1095871 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 207155491832 in words is "two hundred seven billion, one hundred fifty-five million, four hundred ninety-one thousand, eight hundred thirty-two".