78163634212034 has 64 divisors (see below), whose sum is σ = 145036946718720. Its totient is φ = 30831540184320.

The previous prime is 78163634212003. The next prime is 78163634212057. The reversal of 78163634212034 is 43021243636187.

It is a super-2 number, since 2×78163634212034² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11889752 + ... + 17253795.

It is an arithmetic number, because the mean of its divisors is an integer number (2266202292480).

Almost surely, 2^{78163634212034} is an apocalyptic number.

78163634212034 is a deficient number, since it is larger than the sum of its proper divisors (66873312506686).

78163634212034 is a wasteful number, since it uses less digits than its factorization.

78163634212034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29143823.

The product of its (nonzero) digits is 3483648, while the sum is 50.

The spelling of 78163634212034 in words is "seventy-eight trillion, one hundred sixty-three billion, six hundred thirty-four million, two hundred twelve thousand, thirty-four".