1880030061 has 64 divisors (see below), whose sum is σ = 3538698240. Its totient is φ = 959636160.

The previous prime is 1880030023. The next prime is 1880030077. The reversal of 1880030061 is 1600300881.

It is not a de Polignac number, because 1880030061 - 2⁹ = 1880029549 is a prime.

It is a super-4 number, since 4×1880030061⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1880030011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63826 + ... + 88508.

It is an arithmetic number, because the mean of its divisors is an integer number (55292160).

Almost surely, 2^1880030061 is an apocalyptic number.

It is an amenable number.

1880030061 is a deficient number, since it is larger than the sum of its proper divisors (1658668179).

1880030061 is a wasteful number, since it uses less digits than its factorization.

1880030061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24743 (or 24737 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1880030061 is about 43359.3134286049. The cubic root of 1880030061 is about 1234.2077367687.

The spelling of 1880030061 in words is "one billion, eight hundred eighty million, thirty thousand, sixty-one".