16128967742 has 20 divisors (see below), whose sum is σ = 25172090976. Its totient is φ = 7742887740.

The previous prime is 16128967693. The next prime is 16128967763. The reversal of 16128967742 is 24776982161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 126999683 + ... + 126999809.

Almost surely, 2^16128967742 is an apocalyptic number.

16128967742 is a deficient number, since it is larger than the sum of its proper divisors (9043123234).

16128967742 is an frugal number, since it uses more digits than its factorization.

16128967742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 160 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 53.

The spelling of 16128967742 in words is "sixteen billion, one hundred twenty-eight million, nine hundred sixty-seven thousand, seven hundred forty-two".