992161464 has 128 divisors (see below), whose sum is σ = 2903040000. Its totient is φ = 276718464.

The previous prime is 992161453. The next prime is 992161477. The reversal of 992161464 is 464161299.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1972237 + ... + 1972739.

It is an arithmetic number, because the mean of its divisors is an integer number (22680000).

Almost surely, 2^992161464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 992161464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1451520000).

992161464 is an abundant number, since it is smaller than the sum of its proper divisors (1910878536).

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

992161464 is a wasteful number, since it uses less digits than its factorization.

992161464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777 (or 773 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 992161464 is about 31498.5946353167. The cubic root of 992161464 is about 997.3802978200.

The spelling of 992161464 in words is "nine hundred ninety-two million, one hundred sixty-one thousand, four hundred sixty-four".