1604143211454 has 96 divisors (see below), whose sum is σ = 4013142734016. Its totient is φ = 453602073600.

The previous prime is 1604143211453. The next prime is 1604143211471. The reversal of 1604143211454 is 4541123414061.

1604143211454 is a `hidden beast` number, since 1 + 60 + 4 + 1 + 432 + 114 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604143211453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32515734 + ... + 32565030.

It is an arithmetic number, because the mean of its divisors is an integer number (41803570146).

Almost surely, 2^{1604143211454} is an apocalyptic number.

1604143211454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604143211454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006571367008).

1604143211454 is an abundant number, since it is smaller than the sum of its proper divisors (2408999522562).

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

1604143211454 is a wasteful number, since it uses less digits than its factorization.

1604143211454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51970 (or 51967 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 1604143211454 in words is "one trillion, six hundred four billion, one hundred forty-three million, two hundred eleven thousand, four hundred fifty-four".