1605381954054 has 8 divisors (see below), whose sum is σ = 3210763908120. Its totient is φ = 535127318016.

The previous prime is 1605381954053. The next prime is 1605381954089. The reversal of 1605381954054 is 4504591835061.

It is a sphenic number, since it is the product of 3 distinct primes.

1605381954054 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1605381953988 and 1605381954006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605381954053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133781829499 + ... + 133781829510.

It is an arithmetic number, because the mean of its divisors is an integer number (401345488515).

Almost surely, 2^{1605381954054} is an apocalyptic number.

1605381954054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1605381954054 is a wasteful number, since it uses less digits than its factorization.

1605381954054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267563659014.

The product of its (nonzero) digits is 2592000, while the sum is 51.

The spelling of 1605381954054 in words is "one trillion, six hundred five billion, three hundred eighty-one million, nine hundred fifty-four thousand, fifty-four".