20151460664 has 64 divisors (see below), whose sum is σ = 39216592800. Its totient is φ = 9699955200.

The previous prime is 20151460661. The next prime is 20151460669. The reversal of 20151460664 is 46606415102.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20151460661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19736474 + ... + 19737494.

Almost surely, 2^20151460664 is an apocalyptic number.

It is an amenable number.

20151460664 is a deficient number, since it is larger than the sum of its proper divisors (19065132136).

20151460664 is a wasteful number, since it uses less digits than its factorization.

20151460664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704 (or 1700 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

Adding to 20151460664 its reverse (46606415102), we get a palindrome (66757875766).

The spelling of 20151460664 in words is "twenty billion, one hundred fifty-one million, four hundred sixty thousand, six hundred sixty-four".