61163070 has 16 divisors (see below), whose sum is σ = 146791440. Its totient is φ = 16310144.

The previous prime is 61163041. The next prime is 61163083. The reversal of 61163070 is 7036116.

It is a super-2 number, since 2×61163070² = 7481842263649800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61163070.

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, 1019355 + ... + 1019414.

It is an arithmetic number, because the mean of its divisors is an integer number (9174465).

Almost surely, 2^61163070 is an apocalyptic number.

61163070 is an abundant number, since it is smaller than the sum of its proper divisors (85628370).

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

61163070 is a wasteful number, since it uses less digits than its factorization.

61163070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038779.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 61163070 is about 7820.6821953075. The cubic root of 61163070 is about 394.0001846650. Note that the first 3 decimals are identical.

Adding to 61163070 its reverse (7036116), we get a palindrome (68199186).

The spelling of 61163070 in words is "sixty-one million, one hundred sixty-three thousand, seventy".