1163163738 has 32 divisors (see below), whose sum is σ = 2579424192. Its totient is φ = 346694400.

The previous prime is 1163163737. The next prime is 1163163787. The reversal of 1163163738 is 8373613611.

1163163738 = T₁₄₅₃₇ + T₁₄₅₃₈ + ... + T₁₄₅₄₇.

It is a junction number, because it is equal to n+sod(n) for n = 1163163696 and 1163163705.

It is not an unprimeable number, because it can be changed into a prime (1163163737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140431 + ... + 148482.

It is an arithmetic number, because the mean of its divisors is an integer number (80607006).

Almost surely, 2^1163163738 is an apocalyptic number.

1163163738 is an abundant number, since it is smaller than the sum of its proper divisors (1416260454).

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

1163163738 is a wasteful number, since it uses less digits than its factorization.

1163163738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288990.

The product of its digits is 54432, while the sum is 39.

The square root of 1163163738 is about 34105.1863797869. The cubic root of 1163163738 is about 1051.6719358767.

The spelling of 1163163738 in words is "one billion, one hundred sixty-three million, one hundred sixty-three thousand, seven hundred thirty-eight".