1061697498 has 16 divisors (see below), whose sum is σ = 2248300800. Its totient is φ = 333081536.

The previous prime is 1061697493. The next prime is 1061697551. The reversal of 1061697498 is 8947961601.

It is a happy number.

It is a super-2 number, since 2×1061697498² = 2254403154518920008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 1061697498.

It is not an unprimeable number, because it can be changed into a prime (1061697493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5204298 + ... + 5204501.

It is an arithmetic number, because the mean of its divisors is an integer number (140518800).

Almost surely, 2^1061697498 is an apocalyptic number.

1061697498 is an abundant number, since it is smaller than the sum of its proper divisors (1186603302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061697498 is a wasteful number, since it uses less digits than its factorization.

1061697498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10408821.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 1061697498 is about 32583.6998819962. The cubic root of 1061697498 is about 1020.1568059581.

The spelling of 1061697498 in words is "one billion, sixty-one million, six hundred ninety-seven thousand, four hundred ninety-eight".