169143553152 has 144 divisors (see below), whose sum is σ = 566194209750. Its totient is φ = 48326713344.

The previous prime is 169143553109. The next prime is 169143553177. The reversal of 169143553152 is 251355341961.

169143553152 is a `hidden beast` number, since 1 + 6 + 9 + 1 + 43 + 553 + 1 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 168447859776 + 695693376 = 410424^2 + 26376^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 169143553098 and 169143553107.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1441777 + ... + 1554672.

Almost surely, 2^169143553152 is an apocalyptic number.

169143553152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

169143553152 is an abundant number, since it is smaller than the sum of its proper divisors (397050656598).

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

169143553152 is a wasteful number, since it uses less digits than its factorization.

169143553152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996483 (or 2996461 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The spelling of 169143553152 in words is "one hundred sixty-nine billion, one hundred forty-three million, five hundred fifty-three thousand, one hundred fifty-two".