537690145460544 has 224 divisors, whose sum is σ = 1649466689863680. Its totient is φ = 171434243059200.

The previous prime is 537690145460527. The next prime is 537690145460549. The reversal of 537690145460544 is 445064541096735.

537690145460544 is a `hidden beast` number, since 5 + 3 + 7 + 6 + 9 + 0 + 1 + 45 + 46 + 0 + 544 = 666.

It is a super-2 number, since 2×537690145460544² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (537690145460549) 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, 3078920109 + ... + 3079094739.

Almost surely, 2^{537690145460544} is an apocalyptic number.

537690145460544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 537690145460544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824733344931840).

537690145460544 is an abundant number, since it is smaller than the sum of its proper divisors (1111776544403136).

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

537690145460544 is a wasteful number, since it uses less digits than its factorization.

537690145460544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252146 (or 252130 counting only the distinct ones).

The product of its (nonzero) digits is 217728000, while the sum is 63.

The spelling of 537690145460544 in words is "five hundred thirty-seven trillion, six hundred ninety billion, one hundred forty-five million, four hundred sixty thousand, five hundred forty-four".