63163378 has 8 divisors (see below), whose sum is σ = 94791600. Its totient is φ = 31566180.

The previous prime is 63163361. The next prime is 63163409. The reversal of 63163378 is 87336136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×63163378² = 7979224640741768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1728 + ... + 11371.

It is an arithmetic number, because the mean of its divisors is an integer number (11848950).

Almost surely, 2^63163378 is an apocalyptic number.

63163378 is a deficient number, since it is larger than the sum of its proper divisors (31628222).

63163378 is a wasteful number, since it uses less digits than its factorization.

63163378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15512.

The product of its digits is 54432, while the sum is 37.

The square root of 63163378 is about 7947.5391159780. The cubic root of 63163378 is about 398.2493870630.

It can be divided in two parts, 631 and 63378, that added together give a square (64009 = 253²).

The spelling of 63163378 in words is "sixty-three million, one hundred sixty-three thousand, three hundred seventy-eight".