16551262506290 has 16 divisors (see below), whose sum is σ = 29832916825368. Its totient is φ = 6611472932736.

The previous prime is 16551262506283. The next prime is 16551262506307. The reversal of 16551262506290 is 9260526215561.

16551262506290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15354822501529 + 1196440004761 = 3918523^2 + 1093819^2 .

It is a super-2 number, since 2×16551262506290² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129001027 + ... + 1129015686.

Almost surely, 2^{16551262506290} is an apocalyptic number.

16551262506290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16551262506290 is a deficient number, since it is larger than the sum of its proper divisors (13281654319078).

16551262506290 is a wasteful number, since it uses less digits than its factorization.

16551262506290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258017453.

The product of its (nonzero) digits is 1944000, while the sum is 50.

The spelling of 16551262506290 in words is "sixteen trillion, five hundred fifty-one billion, two hundred sixty-two million, five hundred six thousand, two hundred ninety".