167978253963 has 16 divisors (see below), whose sum is σ = 241260233760. Its totient is φ = 103345223424.

The previous prime is 167978253913. The next prime is 167978253967. The reversal of 167978253963 is 369352879761.

167978253963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 167978253963 - 2⁶ = 167978253899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 167978253894 and 167978253903.

It is not an unprimeable number, because it can be changed into a prime (167978253967) 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 15 ways as a sum of consecutive naturals, for example, 384306 + ... + 695447.

It is an arithmetic number, because the mean of its divisors is an integer number (15078764610).

Almost surely, 2^167978253963 is an apocalyptic number.

167978253963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

167978253963 is a deficient number, since it is larger than the sum of its proper divisors (73281979797).

167978253963 is a wasteful number, since it uses less digits than its factorization.

167978253963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083758.

The product of its digits is 102876480, while the sum is 66.

The spelling of 167978253963 in words is "one hundred sixty-seven billion, nine hundred seventy-eight million, two hundred fifty-three thousand, nine hundred sixty-three".