166750497038 has 4 divisors (see below), whose sum is σ = 250125745560. Its totient is φ = 83375248518.

The previous prime is 166750497019. The next prime is 166750497047. The reversal of 166750497038 is 830794057661.

166750497038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41687624258 + ... + 41687624261.

It is an arithmetic number, because the mean of its divisors is an integer number (62531436390).

Almost surely, 2^166750497038 is an apocalyptic number.

166750497038 is a deficient number, since it is larger than the sum of its proper divisors (83375248522).

166750497038 is an equidigital number, since it uses as much as digits as its factorization.

166750497038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83375248521.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 166750497038 in words is "one hundred sixty-six billion, seven hundred fifty million, four hundred ninety-seven thousand, thirty-eight".