63116761 has 8 divisors (see below), whose sum is σ = 66942144. Its totient is φ = 59381520.

The previous prime is 63116737. The next prime is 63116771. The reversal of 63116761 is 16761136.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63116761 is a prime.

It is a super-2 number, since 2×63116761² = 7967451038262242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63116701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21091 + ... + 23896.

It is an arithmetic number, because the mean of its divisors is an integer number (8367768).

Almost surely, 2^63116761 is an apocalyptic number.

63116761 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

63116761 is a deficient number, since it is larger than the sum of its proper divisors (3825383).

63116761 is a wasteful number, since it uses less digits than its factorization.

63116761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45071.

The product of its digits is 4536, while the sum is 31.

The square root of 63116761 is about 7944.6057800246. The cubic root of 63116761 is about 398.1513885000.

Adding to 63116761 its reverse (16761136), we get a palindrome (79877897).

The spelling of 63116761 in words is "sixty-three million, one hundred sixteen thousand, seven hundred sixty-one".