146368419921 has 6 divisors (see below), whose sum is σ = 211421051010. Its totient is φ = 97578946608.

The previous prime is 146368419919. The next prime is 146368419929. The reversal of 146368419921 is 129914863641.

146368419921 is a `hidden beast` number, since 1 + 463 + 6 + 84 + 19 + 92 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 138634096896 + 7734323025 = 372336^2 + 87945^2 .

It is not a de Polignac number, because 146368419921 - 2¹ = 146368419919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146368419929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8131578876 + ... + 8131578893.

It is an arithmetic number, because the mean of its divisors is an integer number (35236841835).

Almost surely, 2^146368419921 is an apocalyptic number.

It is an amenable number.

146368419921 is a deficient number, since it is larger than the sum of its proper divisors (65052631089).

146368419921 is a wasteful number, since it uses less digits than its factorization.

146368419921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16263157775 (or 16263157772 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 146368419921 in words is "one hundred forty-six billion, three hundred sixty-eight million, four hundred nineteen thousand, nine hundred twenty-one".