154838119247664 has 80 divisors (see below), whose sum is σ = 404857789443072. Its totient is φ = 50985821127424.

The previous prime is 154838119247641. The next prime is 154838119247683. The reversal of 154838119247664 is 466742911838451.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38452129 + ... + 42287615.

Almost surely, 2^{154838119247664} 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 154838119247664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202428894721536).

154838119247664 is an abundant number, since it is smaller than the sum of its proper divisors (250019670195408).

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

154838119247664 is a wasteful number, since it uses less digits than its factorization.

154838119247664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845714 (or 3845708 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 69.

The spelling of 154838119247664 in words is "one hundred fifty-four trillion, eight hundred thirty-eight billion, one hundred nineteen million, two hundred forty-seven thousand, six hundred sixty-four".