1061640962 has 8 divisors (see below), whose sum is σ = 1631302092. Its totient is φ = 517873600.

The previous prime is 1061640959. The next prime is 1061641001. The reversal of 1061640962 is 2690461601.

It can be written as a sum of positive squares in 2 ways, for example, as 1055535121 + 6105841 = 32489^2 + 2471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1061640962² = 2254163064392570888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473339 + ... + 6473502.

Almost surely, 2^1061640962 is an apocalyptic number.

1061640962 is a deficient number, since it is larger than the sum of its proper divisors (569661130).

1061640962 is a wasteful number, since it uses less digits than its factorization.

1061640962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12946884.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1061640962 is about 32582.8323201038. The cubic root of 1061640962 is about 1020.1386976586.

The spelling of 1061640962 in words is "one billion, sixty-one million, six hundred forty thousand, nine hundred sixty-two".