15007748646 has 64 divisors (see below), whose sum is σ = 33996775680. Its totient is φ = 4374975360.

The previous prime is 15007748627. The next prime is 15007748663. The reversal of 15007748646 is 64684770051.

It is a junction number, because it is equal to n+sod(n) for n = 15007748595 and 15007748604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 516025 + ... + 544331.

It is an arithmetic number, because the mean of its divisors is an integer number (531199620).

Almost surely, 2^15007748646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15007748646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16998387840).

15007748646 is an abundant number, since it is smaller than the sum of its proper divisors (18989027034).

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

15007748646 is a wasteful number, since it uses less digits than its factorization.

15007748646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28629.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 15007748646 in words is "fifteen billion, seven million, seven hundred forty-eight thousand, six hundred forty-six".