1161454494 has 64 divisors (see below), whose sum is σ = 2498383872. Its totient is φ = 359251200.

The previous prime is 1161454493. The next prime is 1161454517. The reversal of 1161454494 is 4944541611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161454493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 487434 + ... + 489810.

It is an arithmetic number, because the mean of its divisors is an integer number (39037248).

Almost surely, 2^1161454494 is an apocalyptic number.

1161454494 is an abundant number, since it is smaller than the sum of its proper divisors (1336929378).

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

1161454494 is a wasteful number, since it uses less digits than its factorization.

1161454494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521.

The product of its digits is 69120, while the sum is 39.

The square root of 1161454494 is about 34080.1187497931. The cubic root of 1161454494 is about 1051.1565469419.

The spelling of 1161454494 in words is "one billion, one hundred sixty-one million, four hundred fifty-four thousand, four hundred ninety-four".