61207897330 has 16 divisors (see below), whose sum is σ = 110177051544. Its totient is φ = 24482528640.

The previous prime is 61207897327. The next prime is 61207897403. The reversal of 61207897330 is 3379870216.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27855276201 + 33352621129 = 166899^2 + 182627^2 .

It is a super-2 number, since 2×61207897330² (a number of 22 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, 650764 + ... + 738856.

Almost surely, 2^61207897330 is an apocalyptic number.

61207897330 is a deficient number, since it is larger than the sum of its proper divisors (48969154214).

61207897330 is a wasteful number, since it uses less digits than its factorization.

61207897330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157581.

The product of its (nonzero) digits is 381024, while the sum is 46.

The spelling of 61207897330 in words is "sixty-one billion, two hundred seven million, eight hundred ninety-seven thousand, three hundred thirty".