70161632 has 24 divisors (see below), whose sum is σ = 140080752. Its totient is φ = 34585600.

The previous prime is 70161599. The next prime is 70161667. The reversal of 70161632 is 23616107.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13169 + ... + 17712.

It is an arithmetic number, because the mean of its divisors is an integer number (5836698).

Almost surely, 2^70161632 is an apocalyptic number.

It is an amenable number.

70161632 is a deficient number, since it is larger than the sum of its proper divisors (69919120).

70161632 is a wasteful number, since it uses less digits than its factorization.

70161632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30962 (or 30954 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 70161632 is about 8376.2540553639. The cubic root of 70161632 is about 412.4454916650.

Adding to 70161632 its reverse (23616107), we get a palindrome (93777739).

The spelling of 70161632 in words is "seventy million, one hundred sixty-one thousand, six hundred thirty-two".