545667139584 has 1152 divisors, whose sum is σ = 1996184736000. Its totient is φ = 140142182400.

The previous prime is 545667139547. The next prime is 545667139607. The reversal of 545667139584 is 485931766545.

It is a happy number.

545667139584 is a `hidden beast` number, since 5 + 4 + 566 + 7 + 13 + 9 + 58 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6131091412 + ... + 6131091500.

It is an arithmetic number, because the mean of its divisors is an integer number (1732799250).

Almost surely, 2^545667139584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545667139584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998092368000).

545667139584 is an abundant number, since it is smaller than the sum of its proper divisors (1450517596416).

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

545667139584 is a wasteful number, since it uses less digits than its factorization.

545667139584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 222 counting only the distinct ones).

The product of its digits is 108864000, while the sum is 63.

The spelling of 545667139584 in words is "five hundred forty-five billion, six hundred sixty-seven million, one hundred thirty-nine thousand, five hundred eighty-four".