61987162 has 24 divisors (see below), whose sum is σ = 99639540. Its totient is φ = 28902720.

The previous prime is 61987141. The next prime is 61987169. The reversal of 61987162 is 26178916.

It can be written as a sum of positive squares in 2 ways, for example, as 45414121 + 16573041 = 6739^2 + 4071^2 .

It is not an unprimeable number, because it can be changed into a prime (61987169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42664 + ... + 44092.

Almost surely, 2^61987162 is an apocalyptic number.

61987162 is a deficient number, since it is larger than the sum of its proper divisors (37652378).

61987162 is a wasteful number, since it uses less digits than its factorization.

61987162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1495 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 61987162 is about 7873.1926179918. The cubic root of 61987162 is about 395.7618411186.

The spelling of 61987162 in words is "sixty-one million, nine hundred eighty-seven thousand, one hundred sixty-two".