63160981 has 8 divisors (see below), whose sum is σ = 70214144. Its totient is φ = 56421360.

The previous prime is 63160957. The next prime is 63161003. The reversal of 63160981 is 18906136.

63160981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 63160981 - 2⁹ = 63160469 is a prime.

It is a super-2 number, since 2×63160981² = 7978619041764722, which contains 22 as substring.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63160901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77961 + ... + 78766.

It is an arithmetic number, because the mean of its divisors is an integer number (8776768).

Almost surely, 2^63160981 is an apocalyptic number.

It is an amenable number.

63160981 is a deficient number, since it is larger than the sum of its proper divisors (7053163).

63160981 is a wasteful number, since it uses less digits than its factorization.

63160981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156771.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 63160981 is about 7947.3883131504. The cubic root of 63160981 is about 398.2443492500.

The spelling of 63160981 in words is "sixty-three million, one hundred sixty thousand, nine hundred eighty-one".