146196169544 has 8 divisors (see below), whose sum is σ = 274117817910. Its totient is φ = 73098084768.

The previous prime is 146196169523. The next prime is 146196169547. The reversal of 146196169544 is 445961691641.

It can be written as a sum of positive squares in only one way, i.e., 103193852644 + 43002316900 = 321238^2 + 207370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 146196169544.

It is not an unprimeable number, because it can be changed into a prime (146196169547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9137260589 + ... + 9137260604.

Almost surely, 2^146196169544 is an apocalyptic number.

It is an amenable number.

146196169544 is a deficient number, since it is larger than the sum of its proper divisors (127921648366).

146196169544 is a wasteful number, since it uses less digits than its factorization.

146196169544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18274521199 (or 18274521195 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 56.

The spelling of 146196169544 in words is "one hundred forty-six billion, one hundred ninety-six million, one hundred sixty-nine thousand, five hundred forty-four".