208632191034 has 16 divisors (see below), whose sum is σ = 419102553888. Its totient is φ = 69237701712.

The previous prime is 208632191023. The next prime is 208632191039. The reversal of 208632191034 is 430191236802.

It is a super-2 number, since 2×208632191034² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 208632190983 and 208632191001.

It is not an unprimeable number, because it can be changed into a prime (208632191039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76589017 + ... + 76591740.

It is an arithmetic number, because the mean of its divisors is an integer number (26193909618).

Almost surely, 2^208632191034 is an apocalyptic number.

208632191034 is an abundant number, since it is smaller than the sum of its proper divisors (210470362854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

208632191034 is a wasteful number, since it uses less digits than its factorization.

208632191034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153180989.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 208632191034 in words is "two hundred eight billion, six hundred thirty-two million, one hundred ninety-one thousand, thirty-four".