992661642 has 40 divisors (see below), whose sum is σ = 2542057056. Its totient is φ = 283617288.

The previous prime is 992661629. The next prime is 992661653. The reversal of 992661642 is 246166299.

992661642 is a `hidden beast` number, since 9 + 9 + 26 + 616 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 436548 + ... + 438815.

Almost surely, 2^992661642 is an apocalyptic number.

992661642 is an abundant number, since it is smaller than the sum of its proper divisors (1549395414).

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

992661642 is a wasteful number, since it uses less digits than its factorization.

992661642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875384 (or 875375 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 992661642 is about 31506.5333224714. The cubic root of 992661642 is about 997.5478726530.

The spelling of 992661642 in words is "nine hundred ninety-two million, six hundred sixty-one thousand, six hundred forty-two".