16988940944 has 10 divisors (see below), whose sum is σ = 32916073110. Its totient is φ = 8494470464.

The previous prime is 16988940931. The next prime is 16988941031. The reversal of 16988940944 is 44904988961.

It can be written as a sum of positive squares in only one way, i.e., 16775430400 + 213510544 = 129520^2 + 14612^2 .

It is a super-2 number, since 2×16988940944² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530904389 + ... + 530904420.

It is an arithmetic number, because the mean of its divisors is an integer number (3291607311).

Almost surely, 2^16988940944 is an apocalyptic number.

It is an amenable number.

16988940944 is a deficient number, since it is larger than the sum of its proper divisors (15927132166).

16988940944 is a wasteful number, since it uses less digits than its factorization.

16988940944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061808817 (or 1061808811 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 62.

The spelling of 16988940944 in words is "sixteen billion, nine hundred eighty-eight million, nine hundred forty thousand, nine hundred forty-four".