537169680 has 60 divisors (see below), whose sum is σ = 1803997260. Its totient is φ = 143245056.

The previous prime is 537169673. The next prime is 537169687. The reversal of 537169680 is 86961735.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (537169673) and next prime (537169687).

It can be written as a sum of positive squares in 2 ways, for example, as 401120784 + 136048896 = 20028^2 + 11664^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×537169680² = 577102530222604800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (537169687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372315 + ... + 373754.

It is an arithmetic number, because the mean of its divisors is an integer number (30066621).

Almost surely, 2^537169680 is an apocalyptic number.

It is an amenable number.

537169680 is an abundant number, since it is smaller than the sum of its proper divisors (1266827580).

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

537169680 is a wasteful number, since it uses less digits than its factorization.

537169680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746088 (or 746079 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 537169680 is about 23176.9212795833. The cubic root of 537169680 is about 812.9000753176.

The spelling of 537169680 in words is "five hundred thirty-seven million, one hundred sixty-nine thousand, six hundred eighty".