153244164981 has 32 divisors (see below), whose sum is σ = 209645083648. Its totient is φ = 99538813440.

The previous prime is 153244164949. The next prime is 153244165031. The reversal of 153244164981 is 189461442351.

It is not a de Polignac number, because 153244164981 - 2⁵ = 153244164949 is a prime.

It is a super-2 number, since 2×153244164981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 153244164981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153244164901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18773541 + ... + 18781701.

It is an arithmetic number, because the mean of its divisors is an integer number (6551408864).

Almost surely, 2^153244164981 is an apocalyptic number.

It is an amenable number.

153244164981 is a deficient number, since it is larger than the sum of its proper divisors (56400918667).

153244164981 is a wasteful number, since it uses less digits than its factorization.

153244164981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9241.

The product of its digits is 829440, while the sum is 48.

The spelling of 153244164981 in words is "one hundred fifty-three billion, two hundred forty-four million, one hundred sixty-four thousand, nine hundred eighty-one".