70566503642 has 16 divisors (see below), whose sum is σ = 110462605632. Its totient is φ = 33745932000.

The previous prime is 70566503641. The next prime is 70566503681. The reversal of 70566503642 is 24630566507.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 70566503593 and 70566503602.

It is not an unprimeable number, because it can be changed into a prime (70566503641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445517 + ... + 582767.

It is an arithmetic number, because the mean of its divisors is an integer number (6903912852).

Almost surely, 2^70566503642 is an apocalyptic number.

70566503642 is a deficient number, since it is larger than the sum of its proper divisors (39896101990).

70566503642 is a wasteful number, since it uses less digits than its factorization.

70566503642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148453.

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 70566503642 in words is "seventy billion, five hundred sixty-six million, five hundred three thousand, six hundred forty-two".