537173201268 has 144 divisors (see below), whose sum is σ = 1568923836480. Its totient is φ = 153156326400.

The previous prime is 537173201267. The next prime is 537173201293. The reversal of 537173201268 is 862102371735.

537173201268 is a `hidden beast` number, since 5 + 371 + 73 + 201 + 2 + 6 + 8 = 666.

It is a super-2 number, since 2×537173201268² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537173201267) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25160278 + ... + 25181618.

It is an arithmetic number, because the mean of its divisors is an integer number (10895304420).

Almost surely, 2^537173201268 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 537173201268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784461918240).

537173201268 is an abundant number, since it is smaller than the sum of its proper divisors (1031750635212).

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

537173201268 is a wasteful number, since it uses less digits than its factorization.

537173201268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25118 (or 25113 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 537173201268 in words is "five hundred thirty-seven billion, one hundred seventy-three million, two hundred one thousand, two hundred sixty-eight".