101638805350 has 24 divisors (see below), whose sum is σ = 189104771520. Its totient is φ = 40643351520.

The previous prime is 101638805329. The next prime is 101638805357. The reversal of 101638805350 is 53508836101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101638805357) 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 11 ways as a sum of consecutive naturals, for example, 134637 + ... + 470536.

It is an arithmetic number, because the mean of its divisors is an integer number (7879365480).

Almost surely, 2^101638805350 is an apocalyptic number.

101638805350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101638805350 is a deficient number, since it is larger than the sum of its proper divisors (87465966170).

101638805350 is a wasteful number, since it uses less digits than its factorization.

101638805350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608544 (or 608539 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 101638805350 in words is "one hundred one billion, six hundred thirty-eight million, eight hundred five thousand, three hundred fifty".