153940163247 has 24 divisors (see below), whose sum is σ = 239487939600. Its totient is φ = 94722334848.

The previous prime is 153940163183. The next prime is 153940163249. The reversal of 153940163247 is 742361049351.

153940163247 is a `hidden beast` number, since 1 + 5 + 3 + 9 + 4 + 0 + 1 + 632 + 4 + 7 = 666.

It is not a de Polignac number, because 153940163247 - 2⁶ = 153940163183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153940163249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1121379 + ... + 1251147.

It is an arithmetic number, because the mean of its divisors is an integer number (9978664150).

Almost surely, 2^153940163247 is an apocalyptic number.

153940163247 is a deficient number, since it is larger than the sum of its proper divisors (85547776353).

153940163247 is a wasteful number, since it uses less digits than its factorization.

153940163247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139927 (or 139924 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 153940163247 in words is "one hundred fifty-three billion, nine hundred forty million, one hundred sixty-three thousand, two hundred forty-seven".