163948679626 has 16 divisors (see below), whose sum is σ = 271710345024. Its totient is φ = 73797870784.

The previous prime is 163948679599. The next prime is 163948679633. The reversal of 163948679626 is 626976849361.

It is a super-2 number, since 2×163948679626² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104825740 + ... + 104827303.

It is an arithmetic number, because the mean of its divisors is an integer number (16981896564).

Almost surely, 2^163948679626 is an apocalyptic number.

163948679626 is a deficient number, since it is larger than the sum of its proper divisors (107761665398).

163948679626 is a wasteful number, since it uses less digits than its factorization.

163948679626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209653085.

The product of its digits is 141087744, while the sum is 67.

The spelling of 163948679626 in words is "one hundred sixty-three billion, nine hundred forty-eight million, six hundred seventy-nine thousand, six hundred twenty-six".