1162151990 has 16 divisors (see below), whose sum is σ = 2094329952. Its totient is φ = 464314944.

The previous prime is 1162151989. The next prime is 1162151993. The reversal of 1162151990 is 991512611.

It is a self number, because there is not a number n which added to its sum of digits gives 1162151990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162151993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59234 + ... + 76373.

It is an arithmetic number, because the mean of its divisors is an integer number (130895622).

Almost surely, 2^1162151990 is an apocalyptic number.

1162151990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1162151990 is a deficient number, since it is larger than the sum of its proper divisors (932177962).

1162151990 is a wasteful number, since it uses less digits than its factorization.

1162151990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136471.

The product of its (nonzero) digits is 4860, while the sum is 35.

The square root of 1162151990 is about 34090.3503942098. The cubic root of 1162151990 is about 1051.3669241810.

The spelling of 1162151990 in words is "one billion, one hundred sixty-two million, one hundred fifty-one thousand, nine hundred ninety".