516525641534 has 8 divisors (see below), whose sum is σ = 885472528368. Its totient is φ = 221368132080.

The previous prime is 516525641483. The next prime is 516525641537. The reversal of 516525641534 is 435146525615.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×516525641534² (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 (516525641537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18447344327 + ... + 18447344354.

It is an arithmetic number, because the mean of its divisors is an integer number (110684066046).

Almost surely, 2^516525641534 is an apocalyptic number.

516525641534 is a deficient number, since it is larger than the sum of its proper divisors (368946886834).

516525641534 is a wasteful number, since it uses less digits than its factorization.

516525641534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36894688690.

The product of its digits is 2160000, while the sum is 47.

The spelling of 516525641534 in words is "five hundred sixteen billion, five hundred twenty-five million, six hundred forty-one thousand, five hundred thirty-four".