670148147738 has 16 divisors (see below), whose sum is σ = 1023452876160. Its totient is φ = 329010444576.

The previous prime is 670148147723. The next prime is 670148147761. The reversal of 670148147738 is 837741841076.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3212306 + ... + 3414557.

It is an arithmetic number, because the mean of its divisors is an integer number (63965804760).

Almost surely, 2^670148147738 is an apocalyptic number.

670148147738 is a deficient number, since it is larger than the sum of its proper divisors (353304728422).

670148147738 is a wasteful number, since it uses less digits than its factorization.

670148147738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6627781.

The product of its (nonzero) digits is 6322176, while the sum is 56.

The spelling of 670148147738 in words is "six hundred seventy billion, one hundred forty-eight million, one hundred forty-seven thousand, seven hundred thirty-eight".