670166436 has 24 divisors (see below), whose sum is σ = 1568758464. Its totient is φ = 222669280.

The previous prime is 670166417. The next prime is 670166449. The reversal of 670166436 is 634661076.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 670166394 and 670166403.

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, 86055 + ... + 93518.

It is an arithmetic number, because the mean of its divisors is an integer number (65364936).

Almost surely, 2^670166436 is an apocalyptic number.

It is an amenable number.

670166436 is an abundant number, since it is smaller than the sum of its proper divisors (898592028).

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

670166436 is a wasteful number, since it uses less digits than its factorization.

670166436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179891 (or 179889 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 670166436 is about 25887.5730032771. The cubic root of 670166436 is about 875.1064625834.

It can be divided in two parts, 6701 and 66436, that added together give a palindrome (73137).

The spelling of 670166436 in words is "six hundred seventy million, one hundred sixty-six thousand, four hundred thirty-six".