1098668901 has 16 divisors (see below), whose sum is σ = 1682173440. Its totient is φ = 630814320.

The previous prime is 1098668869. The next prime is 1098668953.

1098668901 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1098668901 - 2⁵ = 1098668869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098668101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 875505 + ... + 876758.

It is an arithmetic number, because the mean of its divisors is an integer number (105135840).

Almost surely, 2^1098668901 is an apocalyptic number.

1098668901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1098668901 is a deficient number, since it is larger than the sum of its proper divisors (583504539).

1098668901 is a wasteful number, since it uses less digits than its factorization.

1098668901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752296.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 1098668901 is about 33146.1747566744. The cubic root of 1098668901 is about 1031.8635634410.

The spelling of 1098668901 in words is "one billion, ninety-eight million, six hundred sixty-eight thousand, nine hundred one".