70616521506 has 8 divisors (see below), whose sum is σ = 141233043024. Its totient is φ = 23538840500.

The previous prime is 70616521487. The next prime is 70616521529. The reversal of 70616521506 is 60512561607.

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

70616521506 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5884710120 + ... + 5884710131.

It is an arithmetic number, because the mean of its divisors is an integer number (17654130378).

Almost surely, 2^70616521506 is an apocalyptic number.

70616521506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70616521506 is a wasteful number, since it uses less digits than its factorization.

70616521506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11769420256.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 70616521506 in words is "seventy billion, six hundred sixteen million, five hundred twenty-one thousand, five hundred six".