660151101060551 has 16 divisors (see below), whose sum is σ = 670687768396800. Its totient is φ = 649692973072800.

The previous prime is 660151101060541. The next prime is 660151101060553. The reversal of 660151101060551 is 155060101151066.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-660151101060551 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 (660151101060553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700792300 + ... + 1701180398.

It is an arithmetic number, because the mean of its divisors is an integer number (41917985524800).

Almost surely, 2^{660151101060551} is an apocalyptic number.

660151101060551 is a deficient number, since it is larger than the sum of its proper divisors (10536667336249).

660151101060551 is a wasteful number, since it uses less digits than its factorization.

660151101060551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489214.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 660151101060551 in words is "six hundred sixty trillion, one hundred fifty-one billion, one hundred one million, sixty thousand, five hundred fifty-one".