146687213656 has 64 divisors (see below), whose sum is σ = 285418152000. Its totient is φ = 70620636672.

The previous prime is 146687213623. The next prime is 146687213657. The reversal of 146687213656 is 656312786641.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 146687213597 and 146687213606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146687213657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12210805 + ... + 12222811.

It is an arithmetic number, because the mean of its divisors is an integer number (4459658625).

Almost surely, 2^146687213656 is an apocalyptic number.

It is an amenable number.

146687213656 is a deficient number, since it is larger than the sum of its proper divisors (138730938344).

146687213656 is a wasteful number, since it uses less digits than its factorization.

146687213656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12476 (or 12472 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 146687213656 in words is "one hundred forty-six billion, six hundred eighty-seven million, two hundred thirteen thousand, six hundred fifty-six".