63646142 has 16 divisors (see below), whose sum is σ = 112057440. Its totient is φ = 26539488.

The previous prime is 63646127. The next prime is 63646151. The reversal of 63646142 is 24164636.

It is a junction number, because it is equal to n+sod(n) for n = 63646099 and 63646108.

It is a congruent number.

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, 60917 + ... + 61952.

It is an arithmetic number, because the mean of its divisors is an integer number (7003590).

Almost surely, 2^63646142 is an apocalyptic number.

63646142 is a deficient number, since it is larger than the sum of its proper divisors (48411298).

63646142 is a wasteful number, since it uses less digits than its factorization.

63646142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122915.

The product of its digits is 20736, while the sum is 32.

The square root of 63646142 is about 7977.8532200085. The cubic root of 63646142 is about 399.2614329695.

The spelling of 63646142 in words is "sixty-three million, six hundred forty-six thousand, one hundred forty-two".