1098958516 has 6 divisors (see below), whose sum is σ = 1923177410. Its totient is φ = 549479256.

The previous prime is 1098958447. The next prime is 1098958579. The reversal of 1098958516 is 6158598901.

It can be written as a sum of positive squares in only one way, i.e., 829670416 + 269288100 = 28804^2 + 16410^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137369811 + ... + 137369818.

Almost surely, 2^1098958516 is an apocalyptic number.

It is an amenable number.

1098958516 is a deficient number, since it is larger than the sum of its proper divisors (824218894).

1098958516 is a wasteful number, since it uses less digits than its factorization.

1098958516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274739633 (or 274739631 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 52.

The square root of 1098958516 is about 33150.5432233018. The cubic root of 1098958516 is about 1031.9542237272.

The spelling of 1098958516 in words is "one billion, ninety-eight million, nine hundred fifty-eight thousand, five hundred sixteen".