146720443561556 has 12 divisors (see below), whose sum is σ = 256766797701792. Its totient is φ = 73358501361048.

The previous prime is 146720443561543. The next prime is 146720443561561. The reversal of 146720443561556 is 655165344027641.

It is a super-2 number, since 2×146720443561556² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146720443561495 and 146720443561504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429913040 + ... + 430254183.

It is an arithmetic number, because the mean of its divisors is an integer number (21397233141816).

Almost surely, 2^{146720443561556} is an apocalyptic number.

It is an amenable number.

146720443561556 is a deficient number, since it is larger than the sum of its proper divisors (110046354140236).

146720443561556 is a wasteful number, since it uses less digits than its factorization.

146720443561556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860209870 (or 860209868 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 59.

The spelling of 146720443561556 in words is "one hundred forty-six trillion, seven hundred twenty billion, four hundred forty-three million, five hundred sixty-one thousand, five hundred fifty-six".