61498888233530 has 16 divisors (see below), whose sum is σ = 120761453258784. Its totient is φ = 22363232084880.

The previous prime is 61498888233529. The next prime is 61498888233551. The reversal of 61498888233530 is 3533288889416.

It is a happy number.

It is a super-2 number, since 2×61498888233530² (a number of 28 digits) contains 22 as substring.

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, 279540400952 + ... + 279540401171.

It is an arithmetic number, because the mean of its divisors is an integer number (7547590828674).

Almost surely, 2^{61498888233530} is an apocalyptic number.

61498888233530 is a deficient number, since it is larger than the sum of its proper divisors (59262565025254).

61498888233530 is a wasteful number, since it uses less digits than its factorization.

61498888233530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559080802141.

The product of its (nonzero) digits is 238878720, while the sum is 68.

The spelling of 61498888233530 in words is "sixty-one trillion, four hundred ninety-eight billion, eight hundred eighty-eight million, two hundred thirty-three thousand, five hundred thirty".