1163553542 has 16 divisors (see below), whose sum is σ = 1864356912. Its totient is φ = 542707200.

The previous prime is 1163553499. The next prime is 1163553551. The reversal of 1163553542 is 2453553611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147584 + ... + 155267.

It is an arithmetic number, because the mean of its divisors is an integer number (116522307).

Almost surely, 2^1163553542 is an apocalyptic number.

1163553542 is a deficient number, since it is larger than the sum of its proper divisors (700803370).

1163553542 is a wasteful number, since it uses less digits than its factorization.

1163553542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302983.

The product of its digits is 54000, while the sum is 35.

The square root of 1163553542 is about 34110.9006330821. The cubic root of 1163553542 is about 1051.7894028988.

The spelling of 1163553542 in words is "one billion, one hundred sixty-three million, five hundred fifty-three thousand, five hundred forty-two".