171992642003 has 8 divisors (see below), whose sum is σ = 211683251808. Its totient is φ = 136082090304.

The previous prime is 171992641981. The next prime is 171992642077. The reversal of 171992642003 is 300246299171.

171992642003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171992642003 - 2⁶ = 171992641939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171992642203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945014426 + ... + 945014607.

It is an arithmetic number, because the mean of its divisors is an integer number (26460406476).

Almost surely, 2^171992642003 is an apocalyptic number.

171992642003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

171992642003 is a deficient number, since it is larger than the sum of its proper divisors (39690609805).

171992642003 is a wasteful number, since it uses less digits than its factorization.

171992642003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890029053.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 171992642003 in words is "one hundred seventy-one billion, nine hundred ninety-two million, six hundred forty-two thousand, three".