153640840716 has 96 divisors (see below), whose sum is σ = 435687571200. Its totient is φ = 46434850560.

The previous prime is 153640840699. The next prime is 153640840733. The reversal of 153640840716 is 617048046351.

153640840716 is a `hidden beast` number, since 1 + 536 + 4 + 0 + 8 + 40 + 71 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (153640840699) and next prime (153640840733).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 279636 + ... + 620868.

It is an arithmetic number, because the mean of its divisors is an integer number (4538412200).

Almost surely, 2^153640840716 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 153640840716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217843785600).

153640840716 is an abundant number, since it is smaller than the sum of its proper divisors (282046730484).

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

153640840716 is a wasteful number, since it uses less digits than its factorization.

153640840716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341636 (or 341628 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 153640840716 in words is "one hundred fifty-three billion, six hundred forty million, eight hundred forty thousand, seven hundred sixteen".