101608506803 has 4 divisors (see below), whose sum is σ = 101676747720. Its totient is φ = 101540265888.

The previous prime is 101608506799. The next prime is 101608506851. The reversal of 101608506803 is 308605806101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101608506803 - 2² = 101608506799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101608508803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34118225 + ... + 34121202.

It is an arithmetic number, because the mean of its divisors is an integer number (25419186930).

Almost surely, 2^101608506803 is an apocalyptic number.

101608506803 is a deficient number, since it is larger than the sum of its proper divisors (68240917).

101608506803 is an equidigital number, since it uses as much as digits as its factorization.

101608506803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68240916.

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 101608506803 in words is "one hundred one billion, six hundred eight million, five hundred six thousand, eight hundred three".