63605515146 has 16 divisors (see below), whose sum is σ = 129002735808. Its totient is φ = 20903220800.

The previous prime is 63605515109. The next prime is 63605515157. The reversal of 63605515146 is 64151550636.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63605515098 and 63605515107.

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, 74653935 + ... + 74654786.

It is an arithmetic number, because the mean of its divisors is an integer number (8062670988).

Almost surely, 2^63605515146 is an apocalyptic number.

63605515146 is an abundant number, since it is smaller than the sum of its proper divisors (65397220662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63605515146 is a wasteful number, since it uses less digits than its factorization.

63605515146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149308797.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 63605515146 in words is "sixty-three billion, six hundred five million, five hundred fifteen thousand, one hundred forty-six".