64524157010 has 16 divisors (see below), whose sum is σ = 116150290200. Its totient is φ = 25808150016.

The previous prime is 64524156979. The next prime is 64524157037. The reversal of 64524157010 is 1075142546.

It can be written as a sum of positive squares in 4 ways, for example, as 63437993161 + 1086163849 = 251869^2 + 32957^2 .

It is a super-2 number, since 2×64524157010² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 359234.

Almost surely, 2^64524157010 is an apocalyptic number.

64524157010 is a deficient number, since it is larger than the sum of its proper divisors (51626133190).

64524157010 is a wasteful number, since it uses less digits than its factorization.

64524157010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378205.

The product of its (nonzero) digits is 33600, while the sum is 35.

Adding to 64524157010 its reverse (1075142546), we get a palindrome (65599299556).

The spelling of 64524157010 in words is "sixty-four billion, five hundred twenty-four million, one hundred fifty-seven thousand, ten".