670129151 has 4 divisors (see below), whose sum is σ = 673831704. Its totient is φ = 666426600.

The previous prime is 670129111. The next prime is 670129181. The reversal of 670129151 is 151921076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670129151 - 2¹⁸ = 669867007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670129111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851005 + ... + 1851366.

It is an arithmetic number, because the mean of its divisors is an integer number (168457926).

Almost surely, 2^670129151 is an apocalyptic number.

670129151 is a deficient number, since it is larger than the sum of its proper divisors (3702553).

670129151 is a wasteful number, since it uses less digits than its factorization.

670129151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702552.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 670129151 is about 25886.8528600910. The cubic root of 670129151 is about 875.0902333067.

The spelling of 670129151 in words is "six hundred seventy million, one hundred twenty-nine thousand, one hundred fifty-one".