16500070373 has 4 divisors (see below), whose sum is σ = 16586458368.
Its totient is φ = 16413682380.
The previous prime is 16500070343. The next prime is 16500070393. The reversal of 16500070373 is 37307000561.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37307000561 = 31 ⋅1203451631.
It is a cyclic number.
It is not a de Polignac number, because 16500070373 - 26 = 16500070309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16500070313) 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 3 ways as a sum of consecutive naturals, for example, 43193711 + ... + 43194092.
It is an arithmetic number, because the mean of its divisors is an integer number (4146614592).
Almost surely, 216500070373 is an apocalyptic number.
It is an amenable number.
16500070373 is a deficient number, since it is larger than the sum of its proper divisors (86387995).
16500070373 is an equidigital number, since it uses as much as digits as its factorization.
16500070373 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86387994.
The product of its (nonzero) digits is 13230, while the sum is 32.
The spelling of 16500070373 in words is "sixteen billion, five hundred million, seventy thousand, three hundred seventy-three".