63654161 has 4 divisors (see below), whose sum is σ = 67004400. Its totient is φ = 60303924.

The previous prime is 63654119. The next prime is 63654163. The reversal of 63654161 is 16145636.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63654161 - 2²² = 59459857 is a prime.

It is a super-2 number, since 2×63654161² = 8103704425227842, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63654163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675091 + ... + 1675128.

It is an arithmetic number, because the mean of its divisors is an integer number (16751100).

Almost surely, 2^63654161 is an apocalyptic number.

It is an amenable number.

63654161 is a deficient number, since it is larger than the sum of its proper divisors (3350239).

63654161 is a wasteful number, since it uses less digits than its factorization.

63654161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350238.

The product of its digits is 12960, while the sum is 32.

The square root of 63654161 is about 7978.3557829919. The cubic root of 63654161 is about 399.2782003801.

Adding to 63654161 its reverse (16145636), we get a palindrome (79799797).

The spelling of 63654161 in words is "sixty-three million, six hundred fifty-four thousand, one hundred sixty-one".