70146988666 has 16 divisors (see below), whose sum is σ = 108629445888. Its totient is φ = 33937480800.

The previous prime is 70146988657. The next prime is 70146988693. The reversal of 70146988666 is 66688964107.

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, 407721 + ... + 553651.

It is an arithmetic number, because the mean of its divisors is an integer number (6789340368).

Almost surely, 2^70146988666 is an apocalyptic number.

70146988666 is a deficient number, since it is larger than the sum of its proper divisors (38482457222).

70146988666 is a wasteful number, since it uses less digits than its factorization.

70146988666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153717.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 70146988666 in words is "seventy billion, one hundred forty-six million, nine hundred eighty-eight thousand, six hundred sixty-six".