153918164450 has 54 divisors (see below), whose sum is σ = 289433201187. Its totient is φ = 60898140800.

The previous prime is 153918164383. The next prime is 153918164453. The reversal of 153918164450 is 54461819351.

It can be written as a sum of positive squares in 5 ways, for example, as 11812969 + 153906351481 = 3437^2 + 392309^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=277415.

It is a super-3 number, since 3×153918164450³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 153918164395 and 153918164404.

It is not an unprimeable number, because it can be changed into a prime (153918164453) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 313478705 + ... + 313479195.

Almost surely, 2^153918164450 is an apocalyptic number.

153918164450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153918164450 is a deficient number, since it is larger than the sum of its proper divisors (135515036737).

153918164450 is an frugal number, since it uses more digits than its factorization.

153918164450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 153918164450 in words is "one hundred fifty-three billion, nine hundred eighteen million, one hundred sixty-four thousand, four hundred fifty".